In this Wednesday, Nov. 14, 2012, photo, smoke rises after a Syrian mortar shell landed in a neighborhood in Aleppo, Syria. (AP Photo/Narciso Contreras).

Photo by: Narciso Contreras

In this Wednesday, Nov. 14, 2012, photo, smoke rises after a Syrian mortar shell landed in a neighborhood in Aleppo, Syria. (AP Photo/Narciso Contreras).