Syria says three `` terrorists '' confessed . U.N. personnel stranded overnight in Khan Sheikhoun were released after a few hours, but the Syrian government has not yet acknowledged their release. At least 15 people were killed Wednesday , opposition activists say . 250 arrested people were released , Syria says .
Syria says three `` terrorists '' confessed . U.N. personnel stranded overnight in Khan Sheikhoun are back in Hama , the U.N. says . At least 15 people were killed Wednesday , opposition activists say . 250 arrested people were released , Syria says .