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AP Photo/Hani Mohammed
A Yemeni soldier stops a car at a checkpoint in a street leading to the U.S. embassy in Sanaa, Yemen, Sunday, Aug. 4, 2013. Security forces close access roads, put up extra blast walls and beef up patrols near some of the 21 U.S. diplomatic missions in the Muslim world that Washington ordered closed for the weekend over a “significant threat” of an al-Qaida attack.
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