Emergency teams will continue efforts to retrieve the bodies of those who died when a passenger jet and helicopter collided.

Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.

The audio indicates that air traffic controllers tried to warn the Army helicopter about a nearby Canadair Regional Jet.

Part of the wreckage is seen as rescue crews search the waters of the Potomac River after a passenger plane on approach to Reagan National Airport crashed into the river after colliding with a US Army ...

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.

The soldiers on the helicopter that collided with an American Airlines jet on Wednesday night were from the 12th Combat ...

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.

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

Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.

A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.

An American Airlines plane carrying 60 passengers and four crew members collided with an Army Black Hawk helicopter outside ...

Lights from both aircraft are seen flashing as they continue to fly towards each other, before crashing in mid-air. A ...