NEW : British military releases news of airstrike in Syria , says it hit an ISIS compound . Airstrikes hit near Ayn al - Arab , the site of fighting between ISIS and Syrian Kurdish forces . A video released by the U.S. military shows a missile hitting a building . London - based monitoring station says other airstrikes kill six people near al - Hasakah . Al - Qaeda leader in Syria denounces Muslim countries involved in airstrikes .
NEW : British military releases news of airstrike in Syria , says it hit an ISIS compound . Airstrikes hit near Ayn al - Arab , the site of fighting between ISIS and Syrian Kurdish forces . London - based monitoring station says other airstrikes kill six people near al - Hasakah . Al - Qaeda leader in Syria denounces Muslim countries involved in airstrikes .