State news agency says 2 men , 1 woman , 4 children killed near Iraq - Syria border . SANA says 4 helicopters from Iraq crossed border about 5 miles into Syria , destroyed farm . Brooke Murphy , a U.S. military spokeswoman , told CNN . ` 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 .
State news agency says 2 men , 1 woman , 4 children killed near Iraq - Syria border . SANA says 4 helicopters from Iraq crossed border about 5 miles into Syria , destroyed 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 .