An American Eagle jet and an Army helicopter collided over Washington on Wednesday night. The number of casualties is unclear, and a search-and-rescue mission is ongoing.

ARLINGTON, Va. (AP) — A passenger jet collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting a large search-and-rescue operation in the nearby Potomac River.

A small American Airlines jet collided with a Sikorsky H-60 military helicopter on approach to Reagan Washington National Airport and crashed in to the Potomac River on Wednesday night.

Everything we know so far after horror mid-air incident in Washington DC - Authorities fear mass casualties as civil jet crashes into Black Hawk army helicopter

A United States passenger jet carrying 64 people crashed into Washington’s Potomac River after colliding midair with a military helicopter on a nighttime training exercise on Wednesday (US time), prompting a desperate search for survivors in the dark,

The PSA Airlines jet, operating as American Airlines 5432, collided with a US Army helicopter around 21:00 local time on Wednesday

An airplane collided with a helicopter while trying to land at the Ronald Reagan Washington National Airport on Wednesday night, officials said.

A horrifying midair collision between a US Army Black Hawk Sikorsky H-60 helicopter and an American Airlines regional jet triggered a mass casualty event late Wednesday near Washington’s Reagan National Airport.

By David Shepardson, Trevor Hunnicutt and Brad Brooks WASHINGTON (Reuters) -An American Airlines regional passenger jet and a U.S. Army Black Hawk helicopter crashed into the frigid Potomac River after a midair collision near Reagan Washington National Airport on Wednesday night,