ISIS attacked Syrian government-held areas in the eastern city of Deir al-Zor and an air base south of the city on Friday, Reuters said. Regime warplanes bombarded another area of the city and around the air base, the Syrian Observatory for Human Rights said, a day after pro-Damascus...

Russian warplanes have mounted a new wave of air strikes since Thursday night in northwestern and western Syria, a Syrian military source and state TV said on Friday. The source said the 18 air strikes were in the provinces of Idlib, Hama and Aleppo and were against Islamic State...

Turkey and its partners in the U.S.-led coalition against ISIS called on Russia Friday to cease its attacks on the Syrian opposition and focus on fighting militants, expressing "deep concern" over Moscow's air strikes. In a joint statement with the United States, Britain, France, Germany and...

Russian airstrikes in Syria will last for three to four months and will intensify, a senior Russian lawmaker said Friday as President Vladimir Putin was due in Paris for talks. "There is always a risk of getting bogged down but in Moscow they're talking about three to four months of...