An American Airlines regional passenger jet and a U.S. Army Black Hawk helicopter collided midair and crashed into the Potomac River near Reagan Washington National Airport on Wednesday night. Officials have not provided a death toll but said all passengers and crew on both flights were feared dead.

The midair crash occurred before 9 p.m. local time when a Bombardier CRJ700 jet that had departed from Wichita, Kansas, collided with a Black Hawk helicopter.