Indonesian airforce personnel tidy up their CN235-220 maritime surveillance aircraft displayed at the Singapore Airshow at Changi Exhibition Center February 17, 2016. Picture taken February 17, 2016. REUTERS/Edgar Su

Indonesian airforce personnel stand next to their CN235-220 maritime surveillance aircraft displayed at the Singapore Airshow at Changi Exhibition Center February 17, 2016. Picture taken February 17, 2016. REUTERS/Edgar Su

Britain's Prime Minister David Cameron (6th L) speaks with military personnel as he stands between an RAF Sentinel surveillance aircraft (L) and an RAF Eurofighter Typhoon fighter jet during his visit to Royal Air Force station RAF Northolt in London, Britain November 23, 2015. Britain will invest an extra 12 billion pounds ($18 billion) in defense equipment over the next 10 years including nine Boeing submarine-hunting aircraft, Cameron said on Monday. REUTERS/Justin Tallis/pool

A Lockheed SR-71 Blackbird is seen at the Udvar-Hazy Smithsonian National Air and Space Annex Museum in Chantilly, Virginia August 28, 2015. The SR-71 was a long-range spy plane that was in use from 1964 to 1998 and designed to operate at three times the speed of sound.REUTERS/Gary Cameron 

A Lockheed SR-71 Blackbird is seen at the Udvar-Hazy Smithsonian National Air and Space Annex Museum in Chantilly, Virginia August 28, 2015. The SR-71 was a long-range spy plane that was in use from 1964 to 1998 and designed to operate at three times the speed of sound. REUTERS/Gary Cameron 

A Lockheed SR-71 Blackbird is seen at the Udvar-Hazy Smithsonian National Air and Space Annex Museum in Chantilly, Virginia August 28, 2015. The SR-71 was a long-range spy plane that was in use from 1964 to 1998 and designed to operate at three times the speed of sound. REUTERS/Gary Cameron 

A Lockheed SR-71 Blackbird is seen at the Udvar-Hazy Smithsonian National Air and Space Annex Museum in Chantilly, Virginia August 28, 2015. The SR-71 was a long-range spy plane that was in use from 1964 to 1998 and designed to operate at three times the speed of sound. REUTERS/Gary Cameron 

A tour group gathers under a Lockheed SR-71 Blackbird at the Udvar-Hazy Smithsonian National Air and Space Annex Museum in Chantilly, Virginia August 28, 2015. The SR-71 was a long-range spy plane that was in use from 1964 to 1998 and designed to operate at three times the speed of sound. REUTERS/Gary Cameron 

Students hold photographs of victims from events such as the Bay of Pigs invasion and the bombing of a Cuban plane during a march in Havana "For the Five and Against the Terrorism", September 30, 2014. "The five" are referred to the five Cuban prisoners in the U.S., the so-called "Cuban Five", which are celebrated by many in Cuba as national heroes who were spying on armed exile groups in Miami to prevent attacks on their country and victims of Washington's campaign against the communist-run island. REUTERS/Alexandre Meneghini (CUBA Tags: - Tags: POLITICS CIVIL UNREST) 

Students hold photographs of victims from events such as the Bay of Pigs invasion and the bombing of a Cuban plane during a march in Havana "For the Five and Against the Terrorism", September 30, 2014. "The five" are referred to the five Cuban prisoners in the U.S., the so-called "Cuban Five", which are celebrated by many in Cuba as national heroes who were spying on armed exile groups in Miami to prevent attacks on their country and victims of Washington's campaign against the communist-run island. REUTERS/Alexandre Meneghini (CUBA Tags: - Tags: POLITICS CIVIL UNREST) 

Fernando Gonzalez Llort addresses the foreign media at the International Press Center in Havana June 2, 2014. Gonzalez Llort had served more than 15 years for spying on Cuban-American exile groups in Miami and is one of the "Cuban Five" whose detentions have complicated the already tense relations between the United States and Cuba. The United States deported him in February, and he told reporters he was still in handcuffs until the plane touched down at the Havana airport. Three of the original five remain in prison in the United States, and all are treated as heroes in Cuba, where their cases are considered emblematic of U.S. hostility toward its neighbor 90 miles away.REUTERS/Stringer (CUBA - Tags: POLITICS) 

Fernando Gonzalez Llort addresses the foreign media at the International Press Center in Havana June 2, 2014. Gonzalez Llort had served more than 15 years for spying on Cuban-American exile groups in Miami and is one of the "Cuban Five" whose detentions have complicated the already tense relations between the United States and Cuba. The United States deported him in February, and he told reporters he was still in handcuffs until the plane touched down at the Havana airport. Three of the original five remain in prison in the United States, and all are treated as heroes in Cuba, where their cases are considered emblematic of U.S. hostility toward its neighbor 90 miles away.REUTERS/Stringer (CUBA - Tags: POLITICS) 

A NATO AWACS (Airborne Warning and Control Systems) aircraft is seen on the tarmac as it prepares to take-off for a training mission from the AWACS air base in Geilenkirchen near the German-Dutch border April 16, 2014. NATO said on Wednesday it would send more ships, planes and troops to eastern Europe to reassure allies worried by Russia's annexation of Crimea but shied away from new permanent bases in the east as Poland wanted. REUTERS/Francois Lenoir (GERMANY - Tags: POLITICS MILITARY TRANSPORT TPX IMAGES OF THE DAY) 

Free Syrian Army fighters fly a remote-controlled miniature aircraft with a camera attached -- a device the fighters say is used to spy on forces loyal to Syria's President Bashar al-Assad, in the rebel-controlled Mleha in the suburb of Damascus April 11, 2014. Picture taken April 11, 2014. REUTERS/Yaseen al-Bushy (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT) 

An unmanned remote-controlled miniature aircraft with an attached camera, which rebels say belonged to forces loyal to Syria's President Bashar al-Assad, is seen inside a room in Homs, November 11, 2013. Free Syrian Army fighters claimed that they brought down the remote-controlled miniature aircraft by frequency interference. Picture taken November 11, 2013. REUTERS/Yazan Homsy (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY) 

Supporters of Bolivia's President Evo Morales burn an effigy of U.S. President Barack Obama's head, which is placed on top of a fake coffin bearing Obama's name together with flags of Spain, Italy, France and Portugal, during a protest in front of the U.S. embassy in La Paz, July 8, 2013. Thousands of people marched to the U.S. embassy in Bolivia to protest and demand explanations for the prohibition of air space to Morales' plane, whose plane was diverted in Europe last week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard, reported local media. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST) 

Supporters of Bolivia's President Evo Morales dress up in the colors of the flags of (R - L) Italy, the U.S, Portugal, France and Spain during a protest in front of the U.S. embassy in La Paz, July 8, 2013. Thousands of people marched to the U.S. embassy in Bolivia to protest and demand explanations for the prohibition of air space to Morales plane, whose plane was diverted in Europe last week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard, according to local media. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Supporters of Bolivia's President Evo Morales demonstrate in front of the U.S. embassy building in La Paz, July 8, 2013. Thousands of people marched to the U.S. embassy in Bolivia to protest and demand explanations for the prohibition of air space to Morales plane, whose plane was diverted in Europe last week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard, according to local media. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Demonstrators light flares toward the U.S. embassy building in La Paz, July 8, 2013. Thousands of people marched to the U.S. embassy in Bolivia to protest and demand explanations for the prohibition of air space to Morales plane, whose plane was diverted in Europe last week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard, according to local media. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST) 

Supporters of Bolivia's President Evo Morales demonstrate in front of the U.S embassy building in La Paz, July 8, 2013. Thousands of people marched to the U.S. embassy in Bolivia to protest and demand explanations for the prohibition of air space to Morales plane, whose plane was diverted in Europe last week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard, according to local media. REUTERS/David Mercado (BOLIVIAPOLITICS - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY) 

Supporters of Bolivia's President Evo Morales burn a head mask of U.S. President Barack Obama which is on top of a fake coffin bearing Obama's name together with flags of Spain, Italy, France and Portugal during a protest in front of the U.S. embassy in La Paz, July 8, 2013. Thousands of people marched to the U.S. embassy in Bolivia to protest and demand explanations for the prohibition of air space to Morales plane, whose plane was diverted in Europe last week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard, according to local media. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Supporters of Bolivia's President Evo Morales burn a head mask of U.S. President Barack Obama which is on top of a fake coffin bearing Obama's name together with flags of Spain, Italy, France and Portugal during a protest in front of the U.S. embassy in La Paz, July 8, 2013. Thousands of people marched to the U.S. embassy in Bolivia to protest and demand explanations for the prohibition of air space to Morales plane, whose plane was diverted in Europe last week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard, according to local media. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

A supporter of Bolivia's President Evo Morales wears a head mask of U.S. President Barack Obama while holding a fake coffin with Obama's name and draping a French flag around his neck during a protest in front of the U.S. embassy in La Paz July 8, 2013. Other protesters in the picture drape Spanish (R) and Italian (L) flags around themselves. Thousands of people marched to the U.S. embassy in Bolivia to protest and demand explanations for the prohibition of air space to Morales plane, whose plane was diverted in Europe last week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard, according to local media. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

A boy looks at planes at the transit area of Moscow's Sheremetyevo airport July 6, 2013. When Edward Snowden finally leaves the transit area of Moscow's Sheremetyevo airport, it will lose its biggest attraction. The former U.S. spy agency contractor has managed to stay out of sight for two weeks since arriving from Hong Kong on June 23, hoping to fly on to a country that would not send him back to the United States to face espionage charges. REUTERS/Maxim Shemetov (RUSSIA - Tags: POLITICS TRANSPORT) 

(L-R) Ecuador's President Rafael Correa, Uruguay's President Jose Mujica, Argentina's President Cristina Fernandez, Bolivia's President Evo Morales, Venezuela's President Nicolas Maduro and Suriman's President Desi Bouterse pose for photographers in Cochabamba, July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Bolivian President Evo Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. Picture taken on July 4, 2013. REUTERS/Danilo Balderrama (BOLIVIA - Tags: POLITICS) 

Ecuador's President Rafael Correa (C), flanked by Argentina's Foreign Minister Hector Timerman (R) and Ecuador's Foreign Minister Ricardo Patino, attend a presidential meeting in Cochabamba, July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Bolivian President Evo Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/Danilo Balderrama (BOLIVIA - Tags: POLITICS) 

Uruguay's President Jose Mujica (C) accompanied by Bolivia's Foreign Minister David Choquehuanca (L) and Uruguay's Foreign Minister Luis Almagro wave upon their arrival at Cochabamba, July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Bolivian President Evo Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/Danilo Balderrama (BOLIVIA - Tags: POLITICS) 

Argentina's President Cristina Fernandez is seen during a meeting in Cochabamba, July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Bolivian President Evo Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Bolivia's President Evo Morales (L) and his Venezuelan counterpart Nicolas Maduro wave during a meeting in Cochabamba, July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Bolivian President Evo Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Argentina's President Cristina Fernandez (R) and Uruguay's President Jose Mujica are seen in Cochabamba, July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Bolivian President Evo Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Argentina's President Cristina Fernandez (L) laughs while Bolivia's President Evo Morales jokes in Cochabamba, July 4, 2013.South America's most outspoken leftist leaders gathered on Thursday to rally behind Bolivian President Evo Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

A man (R) holds up a poster with an image of Bolivian President Evo Morales during a protest in support of the Bolivian president in front of the U.S. embassy in Mexico City July 4, 2013. Latin American leaders slammed European governments on Wednesday for diverting Morales' plane on rumors it was carrying a wanted former U.S. spy agency contractor, and announced an emergency summit in a new diplomatic twist to the Edward Snowden saga. REUTERS/Henry Romero (MEXICO - Tags: POLITICS CIVIL UNREST) 

A woman (R) holds up a poster during a protest in support of Bolivian President Evo Morales' in front of the U.S. embassy in Mexico City July 4, 2013. Latin American leaders slammed European governments on Wednesday for diverting Morales' plane on rumors it was carrying a wanted former U.S. spy agency contractor, and announced an emergency summit in a new diplomatic twist to the Edward Snowden saga. The poster reads " We are all Bolivia". REUTERS/Henry Romero (MEXICO - Tags: POLITICS CIVIL UNREST) 

A woman holds up a Bolivia flag during a protest in support of Bolivian President Evo Morales in front of the U.S. embassy in Mexico City July 4, 2013. Latin American leaders slammed European governments on Wednesday for diverting Morales' plane on rumors it was carrying a wanted former U.S. spy agency contractor, and announced an emergency summit in a new diplomatic twist to the Edward Snowden saga. REUTERS/Henry Romero (MEXICO - Tags: POLITICS CIVIL UNREST) 

Bolivia's President Evo Morales (L) talks to his Ecuadorean counterpart Rafael Correa during a meeting with Bolivian social organizations in Cochabamba July 4, 2013. Latin American leaders meet in Cochabamba to support Bolivian President Morales after his plane on rumors it was carrying a wanted former U.S. spy agency contractor Edward Snowden . REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

A woman holds a poster of Bolivia's President Evo Morales during a meeting in Cochabamba July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Venezuela's President Nicolas Maduro (L) and his Bolivian counterpart Evo Morales hold Wiphalas, an indigenous flag, during a meeting with Bolivian social organizations in Cochabamba July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Venezuela's President Nicolas Maduro holds a Wiphala, an indigenous flag, during a meeting with Bolivian social organizations in Cochabamba July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Bolivian President Evo Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Bolivia's President Evo Morales waves to the crowd during a meeting with Bolivian social organizations in Cochabamba July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard.REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Bolivian mine workers attend a meeting to support President Evo Morales in Cochabamba July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Bolivia's President Evo Morales (L) and his Ecuadorean counterpart Rafael Correa attend a meeting with Bolivian social organizations in Cochabamba July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS TPX IMAGES OF THE DAY) 

Bolivia's President Evo Morales (R) and his Venezuelan counterpart Nicolas Maduro attend a meeting with Bolivian social organizations in Cochabamba July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Bolivia's President Evo Morales (L), Venezuela's President Nicolas Maduro (C) and Ecuador's President Rafael Correa greet the crowd during a meeting with Bolivian social organizations in Cochabamba July 4, 2013. South America's most outspoken leftist leaders gathered on Thursday to rally behind Morales, whose plane was diverted in Europe this week on suspicions that fugitive U.S. spy agency contractor Edward Snowden was aboard. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Aymara witch doctors give thanks for the arrival of Bolivia's President Evo Morales outside of El Alto airport on the outskirts of La Paz, July 3, 2013. Latin American leaders slammed European governments on Wednesday for diverting Bolivian President Evo Morales' plane on rumors it was carrying a wanted former U.S. spy agency contractor, and announced an emergency summit in a new diplomatic twist to the Edward Snowden saga. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS SOCIETY) 

Aymara witch doctors give thanks for the arrival of Bolivia's President Evo Morales outside of El Alto airport on the outskirts of La Paz, July 3, 2013. Latin American leaders slammed European governments on Wednesday for diverting Bolivian President Evo Morales' plane on rumors it was carrying a wanted former U.S. spy agency contractor, and announced an emergency summit in a new diplomatic twist to the Edward Snowden saga. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS SOCIETY) 

Bolivia's President Evo Morales (R) and Vice President Alvaro Garcia Linera sing the national anthem after Morales' arrival at the El Alto airport on the outskirts of La Paz, July 3, 2013. Latin American leaders slammed European governments on Wednesday for diverting Bolivian President Evo Morales' plane on rumors it was carrying a wanted former U.S. spy agency contractor, and announced an emergency summit in a new diplomatic twist to the Edward Snowden saga. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS TPX IMAGES OF THE DAY) 

Bolivia's President Evo Morales (C) talks with the leaders of his party while Vice President Alvaro Garcia Linera (R) looks on after his arrival at the El Alto airport on the outskirts of La Paz, July 3, 2013. Latin American leaders slammed European governments on Wednesday for diverting Bolivian President Evo Morales' plane on rumors it was carrying a wanted former U.S. spy agency contractor, and announced an emergency summit in a new diplomatic twist to the Edward Snowden saga. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS) 

Bolivia's President Evo Morales (C) holds a statue of indigenous hero Tupac Katari after his arrival at the El Alto airport in the outskirts of La Paz, July 3, 2013. Latin American leaders slammed European governments on Wednesday for diverting Bolivian President Morales' plane on rumors it was carrying a wanted former U.S. spy agency contractor, and announced an emergency summit in a new diplomatic twist to the Edward Snowden saga. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS TPX IMAGES OF THE DAY) 

Supporters of Bolivia's President Evo Morales shout slogans in front of the Bolivian embassy in Caracas, July 3, 2013. Bolivia on Wednesday accused the United States of trying to "kidnap" its president, Evo Morales, after his plane was denied permission to fly over some European countries on suspicion he was taking fugitive former U.S. spy agency contractor Edward Snowden to Latin America. REUTERS/Carlos Garcia Rawlins (VENEZUELA - Tags: POLITICS) 

Supporters of Bolivia's President Evo Morales shout slogans in front of the Bolivian embassy in Caracas, July 3, 2013. Bolivia on Wednesday accused the United States of trying to "kidnap" its president, Evo Morales, after his plane was denied permission to fly over some European countries on suspicion he was taking fugitive former U.S. spy agency contractor Edward Snowden to Latin America. REUTERS/Carlos Garcia Rawlins (VENEZUELA - Tags: POLITICS) 

Supporters of Bolivia's President Evo Morales shout slogans in front of the Bolivian embassy in Caracas, July 3, 2013. Bolivia on Wednesday accused the United States of trying to "kidnap" its president, Evo Morales, after his plane was denied permission to fly over some European countries on suspicion he was taking fugitive former U.S. spy agency contractor Edward Snowden to Latin America. REUTERS/Carlos Garcia Rawlins (VENEZUELA - Tags: POLITICS) 

Supporters of Bolivia's President Evo Morales shout slogans in front of the Bolivian embassy in Caracas, July 3, 2013. Bolivia on Wednesday accused the United States of trying to "kidnap" its president, Evo Morales, after his plane was denied permission to fly over some European countries on suspicion he was taking fugitive former U.S. spy agency contractor Edward Snowden to Latin America. REUTERS/Carlos Garcia Rawlins (VENEZUELA - Tags: POLITICS) 

An Aymara man removes a sign from the wall of the French embassy in La Paz, during a protest against the French government's ban of Bolivian President Evo Morales' plane in its airspace, July 3, 2013. South American leaders, outraged by the diversion of a Bolivian presidential plane in Europe over the Edward Snowden affair, weighed on Wednesday whether to hold an emergency summit to denounce what some called a U.S.-led act of aggression. Morales was en route from a conference in Moscow to his home on Tuesday when France and Portugal abruptly banned his plane from their airspace on suspicions it was carrying fugitive U.S. spy agency contractor Snowden, who is wanted by Washington. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST) 

An Aymara man holds the flags of the European Union and France after removing them from the wall of the French embassy in La Paz, in protest against the French government's ban of Bolivian President Evo Morales' plane in its airspace, July 3, 2013. South American leaders, outraged by the diversion of a Bolivian presidential plane in Europe over the Edward Snowden affair, weighed on Wednesday whether to hold an emergency summit to denounce what some called a U.S.-led act of aggression. Morales was en route from a conference in Moscow to his home on Tuesday when France and Portugal abruptly banned his plane from their airspace on suspicions it was carrying fugitive U.S. spy agency contractor Snowden, who is wanted by Washington. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST) 

An Aymara man removes a sign from the wall of the French embassy in La Paz, during a protest against the French government's ban of Bolivian President Evo Morales' plane in its airspace, July 3, 2013. South American leaders, outraged by the diversion of a Bolivian presidential plane in Europe over the Edward Snowden affair, weighed on Wednesday whether to hold an emergency summit to denounce what some called a U.S.-led act of aggression. Morales was en route from a conference in Moscow to his home on Tuesday when France and Portugal abruptly banned his plane from their airspace on suspicions it was carrying fugitive U.S. spy agency contractor Snowden, who is wanted by Washington. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST) 

A demonstrator (R) blocks the entrance of the French embassy in La Paz with rocks, behind a security personnel, in protest against the French government's ban of Bolivian President Evo Morales' plane in its airspace, July 3, 2013. South American leaders, outraged by the diversion of a Bolivian presidential plane in Europe over the Edward Snowden affair, weighed on Wednesday whether to hold an emergency summit to denounce what some called a U.S.-led act of aggression. Morales was en route from a conference in Moscow to his home on Tuesday when France and Portugal abruptly banned his plane from their airspace on suspicions it was carrying fugitive U.S. spy agency contractor Snowden, who is wanted by Washington. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST) 

Demonstrators carry a cement slab to block the entrance of the French embassy in La Paz, during a protest against the French government's ban of Bolivian President Evo Morales' plane in its airspace, July 3, 2013. South American leaders, outraged by the diversion of a Bolivian presidential plane in Europe over the Edward Snowden affair, weighed on Wednesday whether to hold an emergency summit to denounce what some called a U.S.-led act of aggression. Morales was en route from a conference in Moscow to his home on Tuesday when France and Portugal abruptly banned his plane from their airspace on suspicions it was carrying fugitive U.S. spy agency contractor Snowden, who is wanted by Washington. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST) 

Bolivian riot policemen stand guard at the entrance of the French embassy in La Paz, during a protest against the French government's ban of Bolivian President Evo Morales' plane in its airspace, July 3, 2013. South American leaders, outraged by the diversion of a Bolivian presidential plane in Europe over the Edward Snowden affair, weighed on Wednesday whether to hold an emergency summit to denounce what some called a U.S.-led act of aggression. Morales was en route from a conference in Moscow to his home on Tuesday when France and Portugal abruptly banned his plane from their airspace on suspicions it was carrying fugitive U.S. spy agency contractor Snowden, who is wanted by Washington. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST) 

Aymara people gather outside the French embassy in La Paz, in protest against the French government's ban of Bolivian President Evo Morales' plane in its airspace, July 3, 2013. South American leaders, outraged by the diversion of a Bolivian presidential plane in Europe over the Edward Snowden affair, weighed on Wednesday whether to hold an emergency summit to denounce what some called a U.S.-led act of aggression. Morales was en route from a conference in Moscow to his home on Tuesday when France and Portugal abruptly banned his plane from their airspace on suspicions it was carrying fugitive U.S. spy agency contractor Snowden, who is wanted by Washington. REUTERS/David Mercado (BOLIVIA - Tags: POLITICS CIVIL UNREST)