A pilot's theory about the cause of the crash between an American Airlines jet and a military helicopter has quickly gone viral online.

Leaders across the D.C., Maryland, and Virginia region, as well as federal lawmakers, are reacting to the tragic American Airlines plane crash near DCA.

The plane collided with a helicopter just before it was scheduled to land. This is a developing story and will be updated.

A view of emergency response to Wednesday night’s fatal crash of a passenger jet landing at Reagan National Airport and an Army helicopter. The body of the plane was found upside-down in three sections in waist-deep water in the Potomac River.

An American Airlines jet carrying 64 people plunged into the Potomac River after colliding in midair with an Army helicopter on Wednesday night. Recovery teams had pulled more than two dozen bodies from the icy water,

At least 28 bodies have been recovered after an American Airlines jet carrying 60 passengers and four crew members collided with an Army helicopter while landing at Ronald Reagan National Airport near Washington,

Watch highlights from the deadly American Airlines and Blackhawk plane crash including news conferences, Trump briefing

As per the latest press conference from the Washington DC Fire Chief, all 64 passengers on the American Airlines plane are feared dead. Rescue operations remain ongoing as 27 bodies have been recovered from the river.

Crews were still searching for other casualties but did not believe there were any survivors, which would make it the deadliest US air crash in nearly 24 years.

An American Airlines jet with 60 passengers and four crew members aboard collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington.

The Federal Aviation Authority has confirmed US Army Blackhawk helicopter and an American Airlines passenger plane were involved in a mid-air collision.

The American Airlines flight was carrying 64 people when it collided with a Black Hawk helicopter near Reagan National Airport.