People bury the bodies of eight Hazzm brigade fighters, who were killed during clashes with al Qaeda's official Syria wing Nusra Front fighters in Reef al-Mohandeseen al-Thani and the Mashtal area, in Al-atarib Aleppo countryside February 28, 2015. Hazzm, one of the main western-backed rebel groups, announced on Sunday that it had dissolved itself and joined a larger Islamist alliance, weeks into a battle which saw it lose ground and men to more powerful al Qaeda insurgents. Picture taken February 28, 2015. REUTERS/Abdalghne Karoof (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT)