BEIRUT (Reuters) - The pilot of a Syrian warplane which Israel said on Tuesday it had shot down was killed, and the plane crashed in Islamic State-held Syrian territory near the Israeli-occupied Golan heights, a non-Syrian source close to Damascus told Reuters.

Israel said it shot down a Syrian plane that crossed into the occupied Golan Heights on Tuesday, but Damascus said the jet was fired on as it took part in sorties against rebels within Syria, without saying whether the plane had come down.