Iran likely behind attack that killed Americans in Iraq: US general

The head of U.S. forces in the Middle East says an Iranian-backed militia likely launched the attack killing the two Americans and a British soldier in Iraq Wednesday night. "The Iranian proxy group Kata'eb Hezbollah is the only group known to have previously conducted an indirect fire attack of this scale against U.S. and coalition forces in Iraq," Gen. Kenneth McKenzie told Senate lawmakers Thursday morning.-- More...