During their invasion of Bashar al-Assad's palace, Syrian rebel fighters made several discoveries, including luxury cars, all-terrain vehicles, motorcycles, and an armoured truck
Islamic State is far from the formidable force it once was, but militant cells often operating independently have survived across a swathe of northern Iraq and northeastern Syria
Syria's official SANA news agency also reported that Okayrbat had been encircled
US-backed Iraqi forces have been battling the extremists in Mosul since October