Syria

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Searchers comb through the debris of destroyed buildings in the aftermath of a strike by Syrian government forces in the Jabal Bedro neighborhood of Aleppo, Syria, on Tuesday, Feb. 19, 2013, in this citizen journalism image provided by the Aleppo Media Center and authenticated based on its contents and other AP reporting. (AP Photo/Aleppo Media Center)

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This citizen journalism image provided by Edlib News Network, ENN, which has been authenticated based on its contents and other AP reporting, shows anti-Syrian regime protesters holding a caricature placard during a demonstration, at Kafr Nabil town, in the Idlib province of northern Syria, on Feb. 15, 2013. (Associated Press/Edlib News Network ENN)

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** FILE ** In this Tuesday, Nov. 6, 2012, file photo, is a general view of a destroyed pottery shop inside the Old City of Aleppo, Syria, a listed UNESCO World Heritage Site that was gutted in October and which is now controlled by the Free Syrian Army. Syria’s top antiquities official is calling for U.N. intervention and cooperation from neighboring countries to halt the illicit trafficking of its artifacts as the 23-month civil war rages on.(AP Photo/Monica Prieto, File)

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Syrian rebels are pictured at the Jarrah airfield in Syria's northern Aleppo province on Tuesday, Feb. 12, 2013, in this image taken from video and authenticated based on its contents and other AP reporting. (AP Photo/Ugarit News via AP video)

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In this photo released by the Syrian official news agency, SANA, Syrian President Bashar Assad, right, meets with Iran's Chief nuclear negotiator Saeed Jalili, in Damascus, Syria, Sunday, Feb. 3, 2013. (AP Photo/SANA)

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In this image taken from video obtained from the Ugarit News, which has been authenticated based on its contents and other AP reporting, a Free Syrian Army fighter speaks in front of a government intelligence complex in Deir el-Zour, Syria, on Tuesday, Jan. 29, 2012. (AP Photo/Ugarit News via AP video)

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Syrian refugees extinguish fire after it caught on a tent at Zaatari Syrian refugees camp, in Mafraq, near the Syrian border, Jordan, Monday, Jan. 28, 2013. A refugee tent caught on fire, and the family who lives in it was evacuated by the refugees. (AP Photo/Mohammad Hannon)