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

Photo by: Narciso Contreras

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