Rebels battling the Syrian army and its allies near Aleppo said on Monday they had received new supplies of U.S.-made anti-tank missiles from states opposed to President Bashar al-Assad since the start of a major government offensive last week.
Islamic State fighters have seized Syrian villages on the outskirts of Aleppo from rival insurgent fighters, a monitoring group said on Friday, despite Russian air strikes that Moscow says have targeted the militant group.
The United States has accused the Syrian military of carrying out air strikes to help Islamic State fighters advance around the northern city of Aleppo, messages posted on the U.S. Embassy Syria official Twitter feed said.