American Airlines Flight 5342 from Wichita, Kansas, was attempting to land when the plane and a Black Hawk helicopter collided.

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport after colliding with a U.S. Army Black Hawk helicopter, Wednesday night, prompting a multi-agency search-and-rescue operation, according to officials.

An American Airlines jet and an Army helicopter collided over Washington, D.C., Wednesday night. All 67 people aboard the aircraft are presumed dead.