State news agency says 4 men , 4 woman , 4 children killed near Iraq - Syria border . SANA says 4 helicopters from Iraq crossed border about 8 kilometers into Syria , hit farm . Iraqi government summons U.S. , Iraqi diplomats to Foreign Ministry in U.S. . U.S. Military says it is investigating claims , can not confirm anything right now .
State news agency says 3 men , 1 woman , 4 children killed near Iraq-Syria border . SANA says 4 helicopters from Iraq crossed border about 5 miles into Syria , hit farm . Syrian government summons U.S. , Iraqi diplomats to Foreign Ministry in Damascus . U.S. Military says it is investigating claims , can not confirm anything right now .