In this Tuesday, Dec. 11, 2012 photo, Free Syrian Army fighters look 

In this Tuesday, Dec. 11, 2012 photo, Free Syrian Army fighters look for government forces during heavy clashes in Aleppo, Syria. (AP Photo/Narciso Contreras)
Associated Press
In this Tuesday, Dec. 11, 2012 photo, Free Syrian Army fighters look for government forces during heavy clashes in Aleppo, Syria. (AP Photo/Narciso Contreras)
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