US military checking reports of helicopter down

The US military said it was investigating reports that an aircraft went down in Iraq. Witnesses said a helicopter had gone down in a field in the Sheik Amir area northwest of Baghdad, sending smoke rising from the scene. The reports came five days after a US Army helicopter crashed in a hail of gunfire north of Baghdad, police and witnesses said - the fourth helicopter lost in Iraq in the last two weeks. The US command said two crew members were killed in that crash.