A demonstrating French tobacconist lights a cigarette during a protest in front of the Mutualite meeting hall in Paris, France, November 2, 2015. France's tobacconists are protesting plans to force cigarette companies to use plain, unbranded packaging, as part of anti-smoking legislation. REUTERS/Christian Hartmann

A woman walks through the Black Desert near the Bahariya Oasis southwest of Cairo May 16, 2015. The Black Desert, given its name by the volcanic rock dolerite, similar to basalt, lies about 500 km southwest of the Egyptian capital Cairo. As the rock erodes over time, it takes on varying shades of black and grey, giving the landscape a charred look that contrasts with the lighter colours in the arid terrain. Four-by-four and trekking trips for tourists include Bedouin music around campfires and nights slept under a breathtaking array of stars. Picture taken May 16, 2015. REUTERS/Amr Abdallah Dalsh 

A local villager uses his lighter as he looks for usable items amidst the rubble of his damaged house at a devastated area following Saturday's earthquake, at Paslang village in Gorkha, Nepal April 28, 2015. REUTERS/Athit Perawongmetha

Football - Queens Park Rangers v Chelsea - Barclays Premier League - Loftus Road - 12/4/15
Cesc Fabregas (hidden) celebrates with team mates after scoring the first goal for Chelsea as Branislav Ivanovic is hit by lighter thrown from the crowd
Action Images via Reuters / John Sibley
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EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details. 

Football - Queens Park Rangers v Chelsea - Barclays Premier League - Loftus Road - 12/4/15
Cesc Fabregas celebrates scoring the first goal for Chelsea as Branislav Ivanovic is hit by lighter thrown from the crowd
Action Images via Reuters / John Sibley
Livepic
EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details. 

Larry McKenna, chief winemaker at Escarpment winery and a pioneer of New Zealand Pinot Noir, pours wine into a glass at the winery located near Martinborough village, east of Wellington March 6, 2015. New Zealand's cooler climate is giving its winemakers an edge as they seek to exploit growing global demand for lighter, premium wines, as rising temperatures push up the alcohol content of wines from rivals such as Australia and the United States. Picture taken March 6, 2015. REUTERS/Naomi Tajitsu 

Larry McKenna, chief winemaker at Escarpment winery and a pioneer of New Zealand Pinot Noir, pours wine into a glass at the winery located near Martinborough village, east of Wellington March 6, 2015. New Zealand's cooler climate is giving its winemakers an edge as they seek to exploit growing global demand for lighter, premium wines, as rising temperatures push up the alcohol content of wines from rivals such as Australia and the United States. Picture taken March 6, 2015. REUTERS/Naomi Tajitsu 

Vines are seen at Escarpment winery, a pioneer of New Zealand Pinot Noir, located near Martinborough village, east of Wellington March 6, 2015. New Zealand's cooler climate is giving its winemakers an edge as they seek to exploit growing global demand for lighter, premium wines, as rising temperatures push up the alcohol content of wines from rivals such as Australia and the United States. Picture taken March 6, 2015. REUTERS/Naomi Tajitsu 

Larry McKenna, chief winemaker and director at Escarpment, looks at grapes hanging from vines at the winery located near Martinborough village, east of the city of Wellington, March 6, 2015. New Zealand's cooler climate is giving its winemakers an edge as they seek to exploit growing global demand for lighter, premium wines, as rising temperatures push up the alcohol content of wines from rivals such as Australia and the United States. Picture taken March 6, 2015. REUTERS/Naomi Tajitsu 

Bazileo Hernandez lies on a bed next to a checklist of potential employers and plays with a lighter shaped like a gun at a house where the group stayed for several days in Williston, North Dakota January 22, 2015. They met their host, a truck driver, at a Salvation Army church dinner, and he agreed to let the group stay in his house while they got on their feet. The man's landlord later said the group had to leave. A week after arriving in Williston from California, Hernandez and his friends were still looking for steady work. REUTERS/Andrew Cullen (UNITED STATES - Tags: BUSINESS COMMODITIES EMPLOYMENT SOCIETY)

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Dimitri Bontinck, the father of Jejoen Bontinck, leaves after the verdict is delivered in a trial of 46 people charged with belonging to a terrorist organisation that recruited young men to fight with Islamist militants in Syria, in Antwerp February 11, 2015. A Belgian court jailed Fouad Belkacem, the head of Sharia4Belgium, for 12 years on Wednesday, ruling that his Islamist group was a terrorist organisation that brainwashed young men into joining militants in the Middle East. Much of the prosecution case has relied on the testimony of 20-year-old Jejoen Bontinck, a member of Sharia4Belgium who made national headlines when his father went to Syria to convince him to return. On Wednesday, Judge Luc Potargent gave Bontinck a 40-month suspended sentence. Prosecutors had recommended he be jailed for four years but he finally received a much lighter sentence after providing evidence against his former fellow fighters. REUTERS/Francois Lenoir (BELGIUM - Tags: CRIME LAW POLITICS CONFLICT CIVIL UNREST HEADSHOT) 

Dimitri Bontinck, the father of Jejoen Bontinck, leaves after the verdict is delivered in a trial of 46 people charged with belonging to a terrorist organisation that recruited young men to fight with Islamist militants in Syria, in Antwerp February 11, 2015. A Belgian court jailed Fouad Belkacem, the head of Sharia4Belgium, for 12 years on Wednesday, ruling that his Islamist group was a terrorist organisation that brainwashed young men into joining militants in the Middle East. Much of the prosecution case has relied on the testimony of 20-year-old Jejoen Bontinck, a member of Sharia4Belgium who made national headlines when his father went to Syria to convince him to return. On Wednesday, Judge Luc Potargent gave Bontinck a 40-month suspended sentence. Prosecutors had recommended he be jailed for four years but he finally received a much lighter sentence after providing evidence against his former fellow fighters. REUTERS/Francois Lenoir (BELGIUM - Tags: CRIME LAW POLITICS CONFLICT CIVIL UNREST) 

Edy, who has been homeless for several years, uses a lighter before trying to sleep in his car in Nice, southern France, November 29, 2014. Five homeless people have died since Saturday in France, alleged victims of the cold wave, a "terrible litany" according to the Abbe Pierre Foundation, which reopens the debate on the "poor housing" in the country. According to the INSEE national statistics office, the number of homeless has increased by 44% in France in 11 years. In 2012, 111,700 homeless people, including 31,000 children, were identified in the French medium and large cities, a report published last November by the office announced. Picture taken November 29, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: SOCIETY POVERTY)

A pistol-shaped lighter dated 1700 is displayed in an old frame in the Museum of Domenico Agostinelli in Dragona, near Rome October 30, 2014. Agostinelli, 74, has a passion that has led him over the past 60 years to pick up and collect things of all types, from antique art to everyday objects of the past and present. His collection includes a 65-million-year-old dinosaur egg, meteor fragments, a car that once belonged to American mob boss Al Capone, a lock of hair of Italian national hero Giuseppe Garibaldi, toys, weapons, musical instruments of all kinds and many more. REUTERS/Tony Gentile (ITALY - Tags: SOCIETY PROFILE)

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Ford Executive Chairman Bill Ford poses for the camera near a Ford Mustang at the Burj Khalifa, the tallest building in the world, in Dubai November 19, 2014. Ford Motor Co's drive to make its sport utility vehicles (SUV) and other models lighter to save fuel and boost performance will not be delayed by a recent drop in oil prices, Executive Chairman Bill Ford said on Wednesday. To match Interview FORD-MOTOR-ALUMINUM/ REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SOCIETY BUSINESS TRANSPORT) 

Ford Executive Chairman Bill Ford poses for the camera near a Ford Mustang at the Burj Khalifa, the tallest building in the world, in Dubai November 19, 2014. Ford Motor Co's drive to make its sport utility vehicles (SUV) and other models lighter to save fuel and boost performance will not be delayed by a recent drop in oil prices, Executive Chairman Bill Ford said on Wednesday. To match Interview FORD-MOTOR-ALUMINUM/ REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SOCIETY BUSINESS TRANSPORT) 

Lighters with images of the U.S. currency are displayed at a souvenir shop in Manhattan in New York City November 6, 2014. A year-long investigation into allegations of collusion and manipulation by global currency traders is set to come to a head on Wednesday, with Britain's financial regulator and six big banks expected to agree a settlement involving around ?1.5 billion ($2.38 billion) in fines. The settlement comes amid a revival of long-dormant volatility on the foreign exchanges, where a steady rise of U.S. dollar this year has depressed oil prices and the currencies of many commodity exporters such as Russia's rouble, Brazil's real and Nigeria's naira - setting the scene for more turbulence on world financial markets in 2015. Picture taken November 6, 2014. REUTERS/Mike Segar (UNITED STATES - Tags: BUSINESS CRIME LAW POLITICS)


ATTENTION EDITORS: PICTURE 11 OF 23 FOR WIDER IMAGE PACKAGE 'ANOTHER DAY ANOTHER DOLLAR'
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An exotic dancer performs next to a sign during the "Sexo and Entertainment" adult exhibition in Mexico City October 31, 2014. Exotic dancers, strippers and adult movie actors and actresses present new trends of the erotic and porn industry at the three-day event. The sign show a price list for photos taken with the dancer, and products such as lighters, movies and calendars. REUTERS/Edgard Garrido (MEXICO - Tags: SOCIETY) 

A woman lights a cigarette in this illustration picture taken in Paris, October 8, 2014. France's health ministry unveiled tough measures geared at stamping out smoking among young people, with a planned rollout of brandless cigarette packets and curbs on advertising for electronic cigarettes. REUTERS/Christian Hartmann (FRANCE - Tags: POLITICS BUSINESS HEALTH) 

A shopper standing on an escalator rides past advertisements for Sharp Corp.'s Aquos television at an electronics shop in Tokyo August 1, 2014. Japan's Sharp Corp posted a 55 percent increase in operating profit for the April-June quarter, beating its own guidance to break even. The company reported strong demand for its LCD panels and a lighter-than-expected impact from a hike in consumption taxes in Japan. REUTERS/Issei Kato (JAPAN - Tags: BUSINESS) 

Shoppers look at Sharp Corp.'s Aquos televisions displayed at an electronics retail store in Tokyo August 1, 2014. Japan's Sharp Corp posted a 55 percent increase in operating profit for the April-June quarter, beating its own guidance to break even. The company reported strong demand for its LCD panels and a lighter-than-expected impact from a hike in consumption taxes in Japan. REUTERS/Issei Kato (JAPAN - Tags: BUSINESS) 

Patricia de Nicolai, French perfumer who created the Nicolai perfume brand with her husband 25 years ago, poses in the brand laboratory in Paris June 23, 2014. Seaweed may not be the first ingredient that springs to mind for top perfume. But certain types of algae are among the obscure ingredients to which perfume-makers are turning to preserve the scent of some fragrances in the face of new EU anti-allergy restrictions. Perfume creators love oak moss for its woody, earthy notes which give it depth and help make the scent last longer. But on the grounds that 1-3 percent of the EU population could be allergic, Brussels is banning two of its core molecules atranol and chloroatranol. Perfume makers will only be allowed to use oak moss from which these two molecules have been removed, turning it into a much lighter, emasculated version. Picture taken June 23, 2014. REUTERS/Philippe Wojazer (FRANCE - Tags: BUSINESS SOCIETY) 

Patricia de Nicolai, French perfumer who created the Nicolai perfume brand with her husband 25 years ago, poses for Reuters as she works in the brand's laboratory in Paris June 23, 2014. Seaweed may not be the first ingredient that springs to mind for top perfume. But certain types of algae are among the obscure ingredients to which perfume-makers are turning to preserve the scent of some fragrances in the face of new EU anti-allergy restrictions. Perfume creators love oak moss for its woody, earthy notes which give it depth and help make the scent last longer. But on the grounds that 1-3 percent of the EU population could be allergic, Brussels is banning two of its core molecules atranol and chloroatranol. Perfume makers will only be allowed to use oak moss from which these two molecules have been removed, turning it into a much lighter, emasculated version. Picture taken June 23, 2014. REUTERS/Philippe Wojazer (FRANCE - Tags: BUSINESS SOCIETY) 

Patricia de Nicolai, French perfumer who created the Nicolai perfume brand with her husband 25 years ago, smells perfume ingredients in the brand's laboratory in Paris June 23, 2014. Seaweed may not be the first ingredient that springs to mind for top perfume. But certain types of algae are among the obscure ingredients to which perfume-makers are turning to preserve the scent of some fragrances in the face of new EU anti-allergy restrictions. Perfume creators love oak moss for its woody, earthy notes which give it depth and help make the scent last longer. But on the grounds that 1-3 percent of the EU population could be allergic, Brussels is banning two of its core molecules atranol and chloroatranol. Perfume makers will only be allowed to use oak moss from which these two molecules have been removed, turning it into a much lighter, emasculated version. Picture taken June 23, 2014. REUTERS/Philippe Wojazer (FRANCE - Tags: BUSINESS SOCIETY) 

Patricia de Nicolai, French perfumer who created the Nicolai perfume brand with her husband 25 years ago, smells perfume ingredients in the brand's laboratory in Paris June 23, 2014. Seaweed may not be the first ingredient that springs to mind for top perfume. But certain types of algae are among the obscure ingredients to which perfume-makers are turning to preserve the scent of some fragrances in the face of new EU anti-allergy restrictions. Perfume creators love oak moss for its woody, earthy notes which give it depth and help make the scent last longer. But on the grounds that 1-3 percent of the EU population could be allergic, Brussels is banning two of its core molecules atranol and chloroatranol. Perfume makers will only be allowed to use oak moss from which these two molecules have been removed, turning it into a much lighter, emasculated version. Picture taken June 23, 2014. REUTERS/Philippe Wojazer (FRANCE - Tags: BUSINESS SOCIETY) 

Testers and a bottle of perfume ingredients are pictured in the laboratory of the French Nicolai perfume brand in Paris June 23, 2014. Seaweed may not be the first ingredient that springs to mind for top perfume. But certain types of algae are among the obscure ingredients to which perfume-makers are turning to preserve the scent of some fragrances in the face of new EU anti-allergy restrictions. Perfume creators love oak moss for its woody, earthy notes which give it depth and help make the scent last longer. But on the grounds that 1-3 percent of the EU population could be allergic, Brussels is banning two of its core molecules atranol and chloroatranol. Perfume makers will only be allowed to use oak moss from which these two molecules have been removed, turning it into a much lighter, emasculated version. Picture taken June 23, 2014. REUTERS/Philippe Wojazer (FRANCE - Tags: BUSINESS SOCIETY) 

Small bottles of oak moss perfume ingredients are pictured in the laboratory of the French Nicolai perfume brand in Paris June 23, 2014. Seaweed may not be the first ingredient that springs to mind for top perfume. But certain types of algae are among the obscure ingredients to which perfume-makers are turning to preserve the scent of some fragrances in the face of new EU anti-allergy restrictions. Perfume creators love oak moss for its woody, earthy notes which give it depth and help make the scent last longer. But on the grounds that 1-3 percent of the EU population could be allergic, Brussels is banning two of its core molecules atranol and chloroatranol. Perfume makers will only be allowed to use oak moss from which these two molecules have been removed, turning it into a much lighter, emasculated version. Picture taken June 23, 2014. REUTERS/Philippe Wojazer (FRANCE - Tags: BUSINESS SOCIETY) 

Patricia de Nicolai, French perfumer who created the Nicolai perfume brand with her husband 25 years ago, smells perfume ingredients in the brand's laboratory in Paris June 23, 2014. Seaweed may not be the first ingredient that springs to mind for top perfume. But certain types of algae are among the obscure ingredients to which perfume-makers are turning to preserve the scent of some fragrances in the face of new EU anti-allergy restrictions. Perfume creators love oak moss for its woody, earthy notes which give it depth and help make the scent last longer. But on the grounds that 1-3 percent of the EU population could be allergic, Brussels is banning two of its core molecules atranol and chloroatranol. Perfume makers will only be allowed to use oak moss from which these two molecules have been removed, turning it into a much lighter, emasculated version. Picture taken June 23, 2014. REUTERS/Philippe Wojazer (FRANCE - Tags: BUSINESS SOCIETY) 

An attendee records the new Microsoft Surface Pro 3 during an event in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

A sign is highlighted on the wall during the launch event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Satya Nadella, Microsoft Corp chief executive, attends the unveil event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Satya Nadella (R), Microsoft Corp chief executive, greets Panos Panay, corporate vice president for Surface Computing at Microsoft Corp, during the unveil event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Satya Nadella, Microsoft Corp chief executive, attends the unveil event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Satya Nadella, Microsoft Corp chief executive, attends the unveil event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Satya Nadella, Microsoft Corp chief executive, attends the unveil event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

(From L) Panos Panay, corporate vice president for Surface Computing at Microsoft Corp, Stephen Elop, executive vice president of the Microsoft Devices Group, and Satya Nadella, Microsoft Corp chief executive, attend the unveil event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Panos Panay, corporate vice president for Surface Computing at Microsoft Corp, shows the weight difference between an Apple MacBook Air and the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Satya Nadella (C), Microsoft Corp chief executive, attends the unveil event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Panos Panay, corporate vice president for Surface Computing at Microsoft Corp, unveils the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

An attendee uses his phone prior to the launch event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Satya Nadella, Microsoft Corp chief executive, attends the unveil event of the new Microsoft Surface Pro 3 in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

An attendee photographs the new Microsoft Surface Pro 3, during the event in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

An attendee wearing Google glass uses the new Microsoft Surface Pro 3, during the event in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

An man pushes a cart full of the new Microsoft Surface Pro 3, during the event in New York May 20, 2014. Microsoft Corp on Tuesday unveiled a larger but lighter version of its Surface Pro tablet as it ramps up efforts to make an impact on the mobile computing market and counter the popularity of Apple Inc's iPad and MacBook Air laptop. REUTERS/Brendan McDermid (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

A cigar lighter belonging to Archduke Franz Ferdinand is displayed at the Austrian auction house Dorotheum in Vienna April 28, 2014. The auction at Austria's Dorotheum took place on Wednesday as Vienna prepares to mark 100 years since the June 28, 1914 assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, which lit the fuse for World War One. Picture taken April 28, 2014. REUTERS/Leonhard Foeger (AUSTRIA - Tags: ENTERTAINMENT SOCIETY ROYALS) 

Pro-Russian protesters attend a rally in front of the seized office of the SBU state security service in Luhansk, eastern Ukraine April 16, 2014. The words on the baseball bat reads: "The lighter." REUTERS/Shamil Zhumatov (UKRAINE - Tags: POLITICS CIVIL UNREST) 

A family member wipes her tears as she holds a lit lighter during a candlelight vigil for passengers onboard the missing Malaysia Airlines Flight MH370 in the early morning, at Lido Hotel, in Beijing April 8, 2014, after a month of searching for the missing aircraft. An Australian ship searching for a missing Malaysia Airlines jetliner has picked up signals consistent with the beacons from aircraft black box recorders, in what search officials said on Monday was the most promising lead yet in the month-long hunt. REUTERS/Jason Lee (CHINA - Tags: TRANSPORT DISASTER) 

Players of FC Basel celebrate in the empty stadium their victory over Valencia in their Europa League quarter-final first leg soccer match in St.Jakob-Park stadium in Basel, April 3, 2014. FC Basel have been ordered to play their next European home game behind closed doors after their fans caused last week's match away to Salzburg to be interrupted for 12 minutes. The visiting Basel fans threw plastic water bottles and cigarette lighters at a Salzburg player as he went to take a corner in front of their part of the stadium during the Swiss side's 2-1 win. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT SOCCER)

Players of FC Basel and Valencia enter the empty stadium ahead of their Europa League quarter-final first leg soccer match in St.Jakob-Park stadium in Basel, April 3, 2014. FC Basel have been ordered to play their next European home game behind closed doors after their fans caused last week's match away to Salzburg to be interrupted for 12 minutes. The visiting Basel fans threw plastic water bottles and cigarette lighters at a Salzburg player as he went to take a corner in front of their part of the stadium during the Swiss side's 2-1 win. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER)

Players of FC Basel and Valencia stand in the empty stadium ahead of their Europa League quarter-final first leg soccer match in St.Jakob-Park stadium in Basel, April 3, 2014. FC Basel have been ordered to play their next European home game behind closed doors after their fans caused last week's match away to Salzburg to be interrupted for 12 minutes. The visiting Basel fans threw plastic water bottles and cigarette lighters at a Salzburg player as he went to take a corner in front of their part of the stadium during the Swiss side's 2-1 win. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER)

Players of FC Basel and Valencia stand in the empty stadium ahead of their Europa League quarter-final first leg soccer match in St.Jakob-Park stadium in Basel, April 3, 2014. FC Basel have been ordered to play their next European home game behind closed doors after their fans caused last week's match away to Salzburg to be interrupted for 12 minutes. The visiting Basel fans threw plastic water bottles and cigarette lighters at a Salzburg player as he went to take a corner in front of their part of the stadium during the Swiss side's 2-1 win. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER)

Players of FC Basel and Valencia stand in the empty stadium ahead of their Europa League quarter-final first leg soccer match in St.Jakob-Park stadium in Basel, April 3, 2014. FC Basel have been ordered to play their next European home game behind closed doors after their fans caused last week's match away to Salzburg to be interrupted for 12 minutes. The visiting Basel fans threw plastic water bottles and cigarette lighters at a Salzburg player as he went to take a corner in front of their part of the stadium during the Swiss side's 2-1 win. REUTERS/Ruben Sprich (SWITZERLAND - Tags: SPORT SOCCER)

Real Madrid's Cristiano Ronaldo (7) grabs his head after being hit with a lighter upon leaving the field at the end of the first half of their Spanish King's Cup semi-final second leg soccer match against Atletico Madrid at Vicente Calderon stadium in Madrid February 11, 2014. REUTERS/Susana Vera (SPAIN - Tags: SPORT SOCCER) 

A refinery worker walks near distillation towers, which are used to separate crude oil into lighter and heavier hydrocarbons during the refining process, in Tula November 21, 2013. Mexico's oil refining industry, saddled for years with bloated costs, chronic underinvestment and generous government fuel subsidies, ought to be on the verge of a bright new dawn.A shake-up last month dismantled the state-run Pemex oil and gas monopoly, ending decades of stubborn self-reliance and potentially opening the door to foreign oil companies. Picture taken November 21, 2013. To match MEXICO-OIL/ REUTERS/Henry Romero (MEXICO - Tags: POLITICS ENERGY BUSINESS) 

Refinery workers walk at one of the facility's catalytic plants, used to convert heavy hydrocarbon crude oil fractions into lighter gasoline and diesel in Tula November 21, 2013. Mexico's oil refining industry, saddled for years with bloated costs, chronic underinvestment and generous government fuel subsidies, ought to be on the verge of a bright new dawn. A shake-up last month dismantled the state-run Pemex oil and gas monopoly, ending decades of stubborn self-reliance and potentially opening the door to foreign oil companies. Picture taken November 21, 2013. To match MEXICO-OIL/ REUTERS/Henry Romero (MEXICO - Tags: POLITICS ENERGY BUSINESS) 

Girls selling lighters walk along a street in downtown Shanghai November 18, 2013. REUTERS/Aly Song (CHINA - Tags: SOCIETY) 

A man refills a lighter at his stall on a street in Havana October 23, 2013. Cuba took the first step towards scrapping its two-tier currency on October 22, 2013, in a move which could boost local workers' income and remove a major hurdle for importers and exporters. Cuba's convertible peso (CUC) is pegged to the U.S. dollar, while the local peso (CUP) is valued at a fraction of the greenback's value, angering the population which is paid in the latter, and complicating accounting, the evaluation of performance, and trade for state companies. The writing on the wall in the background reads, "Socialism". REUTERS/Desmond Boylan (CUBA - Tags: SOCIETY BUSINESS EMPLOYMENT) 

A Free Syrian Army fighter passes the lighter to a fellow fighter as they prepare to take position inside a room in the Aleppo district of Salaheddine September 4, 2013. REUTERS/Ammar Abdullah (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)