Syrians walk over rubble of damaged buildings, while carrying their belongings, as they flee clashes between government forces and rebels in Tariq al-Bab and al-Sakhour neighborhoods of eastern Aleppo towards other rebel held besieged areas of Aleppo, Syria November 28, 2016. REUTERS/Abdalrhman Ismail/File Photo Moscow accused the U.S. Tuesday of a "hostile act" for taking action to more easily arm the Syrian rebels, Reuters reported Russia Foreign Ministry spokeswoman Maria Zakharova as saying.