The Iraqi officials said the area was sealed off , so they did not know casualty figures . Two Blackhawk helicopters crashed while landing in Baghdad , U.S. military says . Iraqi soldier killed ; coalition soldiers , Iraqi troops are among the injured . Defense Department officials say the helicopter crashed during military clashes .
Two Blackhawk helicopters crashed while landing in Baghdad , U.S. military says . Iraqi soldier killed ; coalition soldiers , Iraqi troops are among the injured . Defense Department officials say the helicopter crashed during military clashes .