A fighter of the Popular Front for the Liberation of Palestine General Command (PFLP-GC) mans a weapon as he stands behind sandbags in the Yarmuk refugee camp in the Syrian capital Damascus on September 12, 2013, following fighting against rebel forces who control 75 percent of the camp. The PFLP-GC has been allied to Syrian President Bashar al-Assad's government whose troops have been fighting rebel forces for the past two years. AFP PHOTO/ANWAR AMRO (Photo credit should read ANWAR AMRO/AFP/Getty Images)
