An American Airlines plane and a U.S. Army helicopter collided near Reagan National Airport and crashed into the Potomac River, according to officials.

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

All 64 people aboard an American Airlines jet that collided with an Army helicopter were feared dead in what was likely to be the worst U.S. aviation disaster in almost a quarter century, officials said Thursday.

An American Airlines flight crashed into a U.S. Army Black Hawk Helicopter over the Potomac River as it approached Ronald Reagan Washington National Airport.

Residents and visitors were told to not touch or remove debris from the Potomac River, as the investigation into the midair D.C. plane crash remains ongoing.

Air Florida Flight 90 crashed into the 14th Street Bridge over the Potomac River. 78 passengers, cabin crew members and motorists died. Just five people survived, and only three are still alive to witness news of the American Airlines plane that collided with a U.

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.

D.C. police confirmed a crash had taken place over the Potomac and that search and rescue operations were taking place in the river. Donald Trump later weighed in.

While driving home, Ari Shulman said a "spray of sparks" in the sky caught his attention as he watched in horror the midair collision unfold.

There were around 60 people aboard the regional passenger plane before it crashed with a helicopter on Wednesday, Jan. 29

Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.