Yemen

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Army and police officers inspect at the scene of a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Yemeni people gather at the site of a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Army and police officers gather at the scene of a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Army and police officers work at the scene of a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Army and police officers work at the scene of a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials said the military plane crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Army and police officers work at the scene of a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Firefighters work to extinguish a fire at the wreckage of a plane after it crashed in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Army and police officers work at the scene of a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Yemeni medics and soldiers carry a body of a soldier at the site a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Army and police officers work at the scene of a plane crash in Sanaa, Yemen, Wednesday, Nov. 21, 2012. Yemeni security officials say a military plane has crashed during training over the capital, Sanaa, killing all 10 people on board. (AP Photo/Hani Mohammed)

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Concert: Yemen Blues

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Investigators in a speed boat examine the hull of the USS Cole at the Yemeni port of Aden on Oct. 15, 2000, after a powerful explosion ripped a hole in the U.S. Navy destroyer, killing at least 17 sailors and injuring some 30 others. (AP Photo/Dimitri Messinis)

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**FILE** Yemeni soldiers stand guard as protesters demonstrate to denounce terror attacks and hail the decisions by Yemen's president Abed Rabbu Mansour Hadi to replace security officials in Sanaa, Yemen. (Associated Press)

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** FILE ** Yemeni soldiers stand guard in front of Yemen's President Abed Rabbu Mansour Hadi's house as protestors demonstrate to denounce terror attacks and hail the decisions by Hadi to replace security officials in Sanaa, Yemen, Wednesday, Sept. 12, 2012. (AP Photo/Hani Mohammed)