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.

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

Wednesday night’s crash of an American Airlines commuter plane in Washington is one of the worst disasters for the Fort Worth-based airline in more than two decades.

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

The married couple, won the world championships in pairs figure skating in 1994, had reportedly lived in the US since at least 1998.

Authorities continue to search for bodies and determine what led to the Wednesday, Jan. 29, midair collision between an American Airlines jet and a U.S. Army Black Hawk helicopter over the Potomac River in the Washington,

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

Wednesday night’s crash of an American Airlines commuter plane in Washington could be one of the worst disasters for the Fort Worth-based airline in more than two decades.

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

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 collision between an American Airlines passenger jet and an Army helicopter at Ronald Reagan Washington National Airport near Washington,

Even in peak flying conditions, experts say, the airspace around Reagan Washington National Airport can challenge the most experienced pilots