In this Wednesday, Oct. 24, 2012 photo. An Free Syrian Army fighter shoots his gun towards government troops as rebel fighters belonging to the Liwa Al Tawhid group carry out a military operation at the Moaskar front line, one of the battlefields in Karmal Jabl neighborhood, in Aleppo, Syria. (AP Photo/Narciso Contreras).

Photo by: Narciso Contreras

In this Wednesday, Oct. 24, 2012 photo. An Free Syrian Army fighter shoots his gun towards government troops as rebel fighters belonging to the Liwa Al Tawhid group carry out a military operation at the Moaskar front line, one of the battlefields in Karmal Jabl neighborhood, in Aleppo, Syria. (AP Photo/Narciso Contreras).