Crews started removing Monday the wreckage of the American Airlines plane that collided with an Army Black Hawk helicopter over Washington, D.C., and crashed into the Potomac River last week.One of the plane's two engines was seen being lifted from the river Monday morning,

The Army Corps of Engineers is expected to begin removing wreckage following the deadly collision of an Army helicopter and a passenger plane.

Authorities said the death is not related to the American Airlines and Black Hawk helicopter collision that happened on Wednesday night.