Al-Qaeda's Syria branch, the Nusra Front, has reached an agreement with rival group Nour Eddin al-Zinki in the western countryside of Aleppo, a day after a gun-fight left casualties from both warring groups, activists said Wednesday. Nusra and al-Zinki to release prisoners of each side and to...

U.S.-led coalition aircraft bombing Islamist militants in Syria were re-routed at least once in the last six days to avoid a close encounter with Russian planes, a Pentagon spokesman said on Wednesday. The United States and its allies have been waging a year-long air campaign...

Russia's military build-up in Syria includes a "considerable and growing" naval presence, long-range rockets and a battalion of ground troops backed by Moscow's most modern tanks, the U.S. ambassador to NATO said on Wednesday. Speaking on the eve of a NATO defence ministers meeting to be...

An intense wave of Russian air strikes hit provinces of Aleppo, Hama and nearby areas in the neighboring province of Idlib on Wednesday, Reuters and activists said. Russia, a top ally of Syrian President Bashar al-Assad, started carrying out air strikes in Syria last week saying...