All 12 people aboard a U.S. Army Blackhawk helicopter were killed when it went down northeast of Baghdad on Saturday, the U.S. military said. Later in the day, five U.S. soldiers were killed and three wounded when the Karbala Provincial Joint Coordination Center was attacked by an armed militia group using grenades, small arms and indirect fire, the military said. Eight passengers and four crew members died in the helicopter crash. Their identities were being withheld pending notification of next of kin, the military said in a statement according to a report of CNN.