Fighters from the Nureddine al-Zinki unit, a
moderate Syrian opposition faction affiliated with the Muslim
Brotherhood and made up of former Syrian Free Army fighters at odds with
the radical Islamic State (IS) jihadists, take position behind sandbags
at the Sakhur frontline, near the northern Syrian city of Aleppo on
Sept. 11, 2014.
Baraa Al-Halabi/AFP/Getty Images