A regional American Airlines passenger jet and a Black Hawk military helicopter collided over Washington, D.C., on Wednesday night in the nation's first major commercial airline crash since 2009. There are confirmed fatalities from the collision,

Without evidence, Trump blamed air traffic controllers, the helicopter pilots and Democratic policies at federal agencies for Wednesday night's collision.

The Black Hawk is a US Army workhorse helicopter. It has been flying for decades. One tragically collided with a passenger jet this week.