Iraq : U.S. military : Gunman who killed 2 U.S. troops , claimed 1 was Iraqi soldier . Iraqi officials say shooter was soldier - in - training who opened fire at a training facility . Reports underscore the dangers for U.S. troops and Iraqi security forces in Mosul . Iranian forces attacked Kurdish village in Iraq ; 2 civilians died in attack .
NEW : U.S. military : Gunman who killed 2 U.S. troops , wounded 3 was Iraqi soldier . Iraqi officials say shooter was soldier-in-training who opened fire at a training facility . Shootings underscore the dangers for U.S. troops and Iraqi security forces in Mosul . Iranian forces attacked Kurdish village in Iraq ; 3 civilians killed in Kirkuk .