Yemen's Foreign Minister Abubakr al-Qirbi speaks during a news conference on African refugees in Yemen, in Sanaa July 8, 2013. REUTERS/Mohamed al-Sayaghi (YEMEN - Tags: POLITICS HEADSHOT)

Yemen's Foreign Minister Abubakr al-Qirbi speaks during a news conference on African refugees in Yemen, in Sanaa July 8, 2013. REUTERS/Mohamed al-Sayaghi (YEMEN - Tags: POLITICS HEADSHOT)

Yemeni Foreign Minister Abubakr al-Qirbi (L), Saudi Foreign Minister Saud al-Faisal (C) and British Foreign Office Minister Alistair Burt take questions from journalists during a news conference at the Friends of Yemen meeting in Riyadh May 23, 2012. Saudi Arabia and Western and Gulf states pledged more than $4 billion in aid to Yemen at a Riyadh conference two days after more than 90 Yemeni soldiers were killed in a suicide attack, deepening concerns about al Qaeda's presence in the country. REUTERS/Fahad Shadeed (SAUDI ARABIA - Tags: POLITICS BUSINESS)

Yemeni Foreign Minister Abubakr al-Qirbi (L), Saudi Foreign Minister Saud al-Faisal (C) and British Foreign Office Minister Alistair Burt attend a news conference at the Friends of Yemen meeting in Riyadh May 23, 2012. Saudi Arabia and Western and Gulf states pledged more than $4 billion in aid to Yemen at a Riyadh conference two days after more than 90 Yemeni soldiers were killed in a suicide attack, deepening concerns about al Qaeda's presence in the country. REUTERS/Fahad Shadeed (SAUDI ARABIA - Tags: POLITICS BUSINESS)

Yemeni Foreign Minister Abubakr al-Qirbi (L) and Saudi Foreign Minister Saud Al Faisal attend a news conference at the Friends of Yemen meeting in Riyadh May 23, 2012. Saudi Arabia and Western and Gulf states pledged more than $4 billion in aid to Yemen at a Riyadh conference two days after more than 90 Yemeni soldiers were killed in a suicide attack, deepening concerns about al Qaeda's presence in the country. REUTERS/Fahad Shadeed (SAUDI ARABIA - Tags: POLITICS BUSINESS)

Yemeni Foreign Minister Abubakr al-Qirbi attends the Arab League foreign ministers meeting in Baghdad March 28, 2012. REUTERS/Saad Shalash (IRAQ - Tags: POLITICS)

Yemeni Foreign Minister Abubakr al-Qirbi speaks to the media upon his arrival for the Arab foreign ministers meeting as part of the Arab League Summit in Baghdad March 28, 2012. REUTERS/Mohammed Ameen (IRAQ - Tags: POLITICS HEADSHOT)

Iraq's Foreign Minister Hoshyar Zebari (centre R) walks with his Yemeni counterpart Abubakr al-Qirbi (centre L) upon his arrival for the Arab foreign ministers meeting as part of the Arab League Summit, at Baghdad's airport March 28, 2012. REUTERS/Mohammed Ameen (IRAQ - Tags: POLITICS)

Iraq's Foreign Minister Hoshyar Zebari (R) meets with his Yemeni counterpart Abubakr al-Qirbi upon his arrival for the Arab foreign ministers meeting as part of the Arab League Summit in Baghdad March 28, 2012. REUTERS/Mohammed Ameen (IRAQ - Tags: POLITICS)

Iraq's Foreign Minister Hoshyar Zebari (R) welcomes his Yemeni counterpart Abubakr al-Qirbi upon his arrival for the Arab foreign ministers meeting as part of Arab League Summit in Baghdad March 28, 2012. REUTERS/Mohammed Ameen (IRAQ - Tags: POLITICS)

A girl wears Yemen's national flag as a mask during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. The writing on the forehead reads, "Leave!" REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester shouts slogans during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester shouts slogans during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters sit in a tent during a sit-in to demand for the ouster of President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester shouts slogans as he chews qat, a mild stimulant leaf, with other fellow protesters during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester flashes the victory sign as he chews qat, a mild stimulant leaf, with other fellow protesters during a sit-in to demand for the ouster of President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester flashes the victory sign as he chews qat, a mild stimulant leaf, with other fellow protesters during a sit-in to demand for the ouster of President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

A boy extends his arm during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. The writing reads, "Leave, oh Ali!" REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

A girl shouts slogans during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. The headband reads, "I am the next president." REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters sit in a makeshift shelter as they chew qat, a mild stimulant leaf, during a sit-in to demand for the ouster of President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters sit as they chew qat, a mild stimulant leaf, as they sit in a makeshift shelter during a sit-in to demand for the ouster of President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal to transfer power peacefully in Yemen could emerge shortly based on an offer by Saleh to quit by the end of the year, Foreign Minister Abubakr al-Qirbi told Reuters. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

A woman is seen near a balloon while attending a rally to demand for the ouster of Yemen's President Ali Abdullah Saleh, in Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. The writing reads, "Leave, leave, oh oppressor!" REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST)

A woman and a girl sit near a balloon while attending a rally to demand for the ouster of Yemen's President Ali Abdullah Saleh, in Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester flashes the victory sign during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester shouts slogans during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters carry Yemen's national flag as they join a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester shouts slogans during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. The writing on the forehead reads, "Leave!" REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester shouts slogans during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. The writing on the palms read, "Leave today!" REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST IMAGES OF THE DAY)

Anti-government protesters flash the victory sign during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

An anti-government protester flashes the victory sign during a sit-in to demand for the ouster of Yemen's President Ali Abdullah Saleh, outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters chant slogans during a protest demanding the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters chant slogans during a protest demanding the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters chant slogans during a protest demanding the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters chant slogans during a protest demanding the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters shout slogans during a rally to demand the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. The writing reads: "leave!". REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST)

Anti-government protesters shout slogans during a rally demanding the ouster of Yemen's President Ali Abdullah Saleh outside Sanaa University March 26, 2011. A deal on a peaceful transition of power in Yemen could come as early as Saturday and would be based on an offer by President Ali Abdullah Saleh to step down by year-end, Foreign Minister Abubakr al-Qirbi said. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST)

Yemeni soldiers search a man while they stand guard near anti-government protesters in Sanaa University March 26, 2011. Yemeni Foreign Minister Abubakr al-Qirbi said he hopes for a deal on a transition of power in Yemen on Saturday, and that the time frame of a transfer of power by President Ali Abdullah Saleh could be negotiated. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST MILITARY)

Yemeni soldiers search a man while they stand guard near anti-government protesters in Sanaa University March 26, 2011. Yemeni Foreign Minister Abubakr al-Qirbi said he hopes for a deal on a transition of power in Yemen on Saturday, and that the time frame of a transfer of power by President Ali Abdullah Saleh could be negotiated. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST MILITARY)

Yemeni soldiers stand guard near an anti-government protest in Sanaa University March 26, 2011. Yemeni Foreign Minister Abubakr al-Qirbi said he hopes for a deal on a transition of power in Yemen on Saturday, and that the time frame of a transfer of power by President Ali Abdullah Saleh could be negotiated. REUTERS/Amar Awad (YEMEN - Tags: CIVIL UNREST MILITARY POLITICS)

Yemeni soldiers search a man while they stand guard in Sanaa University March 26, 2011.Yemeni Foreign Minister Abubakr al-Qirbi said he hopes for a deal on a transition of power in Yemen on Saturday, and that the time frame of a transfer of power by President Ali Abdullah Saleh could be negotiated. REUTERS/Ammar Awad (YEMEN - Tags: POLITICS CIVIL UNREST MILITARY)

European Union's High Representative for Foreign Affairs and Security Policy Catherine Ashton (L) shakes hands with Yemen's Foreign Minister Abubakr al-Qirbi at the European Commission headquarters in Brussels February 2, 2011. REUTERS/Olivier Hoslet/Pool (BELGIUM - Tags: POLITICS)

Yemen's Foreign Minister Abubakr al-Qirbi (R) is escorted by Japan's Foreign Minister Seiji Maehara at the Foreign Ministry in Tokyo November 1, 2010. REUTERS/Issei Kato (JAPAN - Tags: POLITICS)

Japan's Foreign Minister Seiji Maehara waits for the arrival of Yemen's Foreign Minister Abubakr al-Qirbi (not in picture) before their meeting at the Foreign Ministry in Tokyo November 1, 2010. REUTERS/Issei Kato (JAPAN - Tags: POLITICS PROFILE)

Yemen's Foreign Minister Abubakr al-Qirbi (R) is escorted by Japan's Foreign Minister Seiji Maehara at the Foreign Ministry in Tokyo November 1, 2010. REUTERS/Issei Kato (JAPAN - Tags: POLITICS)

Yemen's Foreign Minister Abubakr al-Qirbi speaks during an interview with Reuters in Sanaa May 31, 2010. Al-Qirbi said on Monday the fate of three Germans and one Briton kidnapped in Yemen last year was still unknown after two German girls belonging to the group were released to Saudi Arabia this month. To match Interview YEMEN-FORMIN/ REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CRIME LAW HEADSHOT)

Yemen's Foreign Minister Abubakr al-Qirbi speaks during an interview with Reuters in Sanaa May 31, 2010. Al-Qirbi said on Monday the fate of three Germans and one Briton kidnapped in Yemen last year was still unknown after two German girls belonging to the group were released to Saudi Arabia this month. To match Interview YEMEN-FORMIN/ REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CRIME LAW HEADSHOT)

Yemen's Foreign Minister Abubakr al-Qirbi speaks during an interview with Reuters in Sanaa May 31, 2010. Al-Qirbi said on Monday the fate of three Germans and one Briton kidnapped in Yemen last year was still unknown after two German girls belonging to the group were released to Saudi Arabia this month. To match Interview YEMEN-FORMIN/ REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CRIME LAW HEADSHOT)

Yemen's Foreign Minister Abubakr al-Qirbi speaks during an interview with Reuters in Sanaa May 31, 2010. Al-Qirbi said on Monday the fate of three Germans and one Briton kidnapped in Yemen last year was still unknown after two German girls belonging to the group were released to Saudi Arabia this month. To match Interview YEMEN-FORMIN/ REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS CRIME LAW HEADSHOT)

Nokia phone charger cables snake across Abubakr Ali's (C) market stall in Abu Shouk Camp in Darfur February 11, 2010. Scores of Chinese-made phone charger cables snake across Abubakr Ali's Darfur market stall, one of the furthest outposts of a telecoms market that is booming in the face of a seven-year conflict. Sudan, like most African countries, has seen a massive expansion in its telecoms industry in recent years, focused on its main towns and cities. Now, a combination of cheap Chinese imports and demand from an influx international peacekeepers, itinerant businessmen and aid workers has pushed the market on into a much wilder area, Sudan's strife-torn Darfur. Picture taken February 11, 2010. To match Reuters Life! SUDAN-DARFUR/TELECOMS REUTERS/Andrew Heavens (SUDAN - Tags: BUSINESS SOCIETY)

Nokia phone charger cables snake across Abubakr Ali's (C) market stall in Abu Shouk Camp in Darfur February 11, 2010. Scores of Chinese-made phone charger cables snake across Abubakr Ali's Darfur market stall, one of the furthest outposts of a telecoms market that is booming in the face of a seven-year conflict. Sudan, like most African countries, has seen a massive expansion in its telecoms industry in recent years, focused on its main towns and cities. Now, a combination of cheap Chinese imports and demand from an influx international peacekeepers, itinerant businessmen and aid workers has pushed the market on into a much wilder area, Sudan's strife-torn Darfur. Picture taken February 11, 2010. To match Reuters Life! SUDAN-DARFUR/TELECOMS REUTERS/Andrew Heavens (SUDAN - Tags: BUSINESS SOCIETY)

Nokia mobile phone chargers are seen at Abubakr Ali's (C) market stall in Abu Shouk Camp, Darfur, February 11, 2010. Scores of Chinese-made phone charger cables snake across Ali's Darfur market stall, one of the furthest outposts of a telecoms market that is booming in the face of a seven-year conflict. Picture taken February 11, 2010. To match Reuters Life! SUDAN-DARFUR/TELECOMS REUTERS/Andrew Heavens (SUDAN - Tags: SOCIETY BUSINESS)

U.S. Secretary of State Hillary Clinton (R) speaks as Yemen's Foreign Minister Abubakr al-Qirbi looks on at a news conference after hosting a bilateral meeting at the Department of State in Washington January 21, 2010. REUTERS/Hyungwon Kang (UNITED STATES - Tags: POLITICS)

U.S. Secretary of State Hillary Clinton (R) shakes hands with Yemen's Foreign Minister Abubakr al-Qirbi during a news conference after hosting a bilateral meeting at the Department of State in Washington January 21, 2010. REUTERS/Hyungwon Kang (UNITED STATES - Tags: POLITICS)

U.S. Secretary of State Hillary Clinton (R )listens as Yemen's Foreign Minister Abubakr al-Qirbi speaks at a news conference after hosting a bilateral meeting at the Department of State in Washington January 21, 2010. REUTERS/Hyungwon Kang (UNITED STATES - Tags: POLITICS)

Canada's Foreign Minister Lawrence Cannon (R) listens as his Yemeni counterpart Abubakr al-Qirbi speaks during a news conference at the Lester B. Pearson Building in Ottawa January 18, 2010. REUTERS/Chris Wattie (CANADA - Tags: POLITICS HEADSHOT)

Yemen's Foreign Minister Abubakr al-Qirbi (L) speaks during a news conference with his Canadian counterpart Lawrence Cannon at the Lester B. Pearson Building in Ottawa January 18, 2010. REUTERS/Chris Wattie (CANADA - Tags: POLITICS)

Yemen's Foreign Minister Abubakr al-Qirbi (L) leaves a news conference with his Canadian counterpart Lawrence Cannon at the Lester B. Pearson Building in Ottawa January 18, 2010. REUTERS/Chris Wattie (CANADA - Tags: POLITICS)

Yemen's Foreign Minister Abubakr al-Qirbi speaks during a news conference with his Canadian counterpart Lawrence Cannon at the Lester B. Pearson Building in Ottawa January 18, 2010. REUTERS/Chris Wattie (CANADA - Tags: POLITICS HEADSHOT)

Yemen's Foreign Minister Abubakr al-Qirbi (L) speaks during a news conference with his Canadian counterpart Lawrence Cannon at the Lester B. Pearson Building in Ottawa January 18, 2010. REUTERS/Chris Wattie (CANADA - Tags: POLITICS HEADSHOT)

Yemen's Foreign Minister Abubakr al-Qirbi speaks during an interview with Reuters in Sanaa January 14, 2010. Yemen, facing a daunting array of security and economic problems, needs about $2 billion a year in aid to stay afloat and double that to turn its economy around, Qirbi said on Thursday. To match interview YEMEN-AID/ REUTERS/Khaled Abdullah (YEMEN - Tags: POLITICS HEADSHOT)