Investigations are underway into the midair collision of a commercial airliner and an Army helicopter over Washington, D.C., killing 67 people.

Divers are expected to return to the Potomac River as part of the recovery and investigation after the United States’ deadliest aviation disaster in almost a quarter century.

How an Army Black Hawk helicopter collided into an American Airlines jetliner in a deadly crash over the Potomac River ...

The mid-air collision came just 24 hours after another passenger jet narrowly avoided hitting a helicopter when landing at ...

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

Divers are expected to return to the Potomac River as part of the recovery and investigation after the United States’ ...