BAGHDAD (AFP) - Three US soldiers were killed in action in southern Iraq on Wednesday, the military said, making June the deadliest month for American soldiers here in three years. "Three US service members were killed Wednesday in southern Iraq," the US military said in a statement on Thursday. "We can confirm that the soldiers were killed in a hostile event," a military spokeswoman said in an email. Since June 1, 14 US soldiers have been killed in Iraq - making it the deadliest since June 2008, when 23 US soldiers were killed.