Russia's military intervention in the Syrian war has all but destroyed a deal agreed last month to halt fighting between warring sides in two areas of the west, unpicking a rare success for foreign-backed diplomacy in the four-year-long conflict. Implementation of the deal agreed with U.N. help...

Islamic State fighters have seized villages close to the northern city of Aleppo from rival insurgents, a monitoring group said on Friday, despite an intensifying Russian air-and-sea campaign that Moscow says has targeted the militant group. News of the advance came as the...

U.S. President Barack Obama will overhaul Washington's approach to supporting Syrian rebel forces following this year's deeply troubled launch of a U.S. military training program, Defense Secretary Ash Carter said on Friday. Carter hinted the new approach would focus more on enabling forces...

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. Iran's Revolutionary Guards Corps said separately one of...