ALEPPO, SYRIA - OCTOBER 06: Smoke rises after Russian airtrikes hit ammunition-stores and bases of two opposition groups, in Mansoura region in the west of Aleppo, Syria on October 06, 2015. (Photo by Abdulfetah Huseyin/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - OCTOBER 06: Smoke rises after Russian airtrikes hit ammunition-stores and bases of two opposition groups, in Mansoura region in the west of Aleppo, Syria on October 06, 2015. (Photo by Abdulfetah Huseyin/Anadolu Agency/Getty Images)