The U.S. military on Wednesday denied reports of the defection to Al-Nusrah Front of Syrian forces trained by the U.S.-led anti-Daesh coalition. "U.S. Central Command has no indication that any New Syrian Forces fighters have defected to Al Nusra Front, contrary to several press and social...

The United States and its allies have conducted 20 air strikes against Islamic State in Iraq and Syria since Wednesday, the U.S. military said in a statement on Thursday. Four air strikes in Syria targeted tactical units, artillery and vehicles near Al Hasakah, Ar Raqqah and Mar'a. In Iraq,...

Syrian government forces used newly arrived Russian warplanes to bombard Islamic State fighters in Aleppo province in northern Syria, Reuters said on Thursday, in an attempt to break a siege on a nearby air base. Russia is bolstering its ally Damascus with military aid that U.S. officials...

Russian President Vladimir Putin is preparing for unilateral air strikes against Islamic State in Syria if the United States rejects his proposal to join forces, Bloomberg reported on Wednesday, citing two people familiar with the matter. Russia has increased its military...