In this Tuesday, July 24, 2012 photo, a Syrian boy sits atop a damaged military tank at the border town of Azaz, some 20 miles (32 kilometers) north of Aleppo, Syria. Turkey sealed its border with Syria to trucks on Wednesday, July 25, 2012 cutting off a vital supply line to the embattled nation as fighting stretched into its fifth day in the commercial capital of Aleppo. (AP Photo/Turkpix)
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