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

Air traffic control received no response from a military Black Hawk helicopter seconds before colliding with an American Airlines flight from Wichita to Washington, D.C.

A collision between a commercial jet and an Army helicopter has claimed more than 60 lives near the nation’s capital, officials said early Thursday, marking the nation’s deadliest aviation accident in more than two decades.

The American Airlines flight was carrying 64 people when it collided with a Black Hawk helicopter near Reagan National Airport.

Standing in the cold night air by the icy shores of the Potomac, onlookers asked: how was this tragedy possible?

A devastating midair collision between an American Airlines jet and a military helicopter resulted in both aircraft crashing into the icy waters of the Potomac River near Reagan National Airport on Wednesday evening.

A midair collision between an American Airlines regional jet and a U.S. Army Black Hawk helicopter over Washington, D.C., has left no expected survivors, authorities confirmed Thursday morning. The crash,

Just over a year after the inaugural American Airlines flight from Eisenhower National Airport to Washington, D.C. was celebrated as a milestone event aiding Wichita economic development, the Air Capital and its business community found itself Thursday mourning the tragic accident involving the same route.

An American Airlines flight that departed from Wichita, Kansas, on Wednesday collided with a military helicopter at Reagan National Airport.

Search efforts continue after an American Airlines plane from Wichita, with 64 people on board, collided with an Army helicopter near Washington, D.C., and crashed into the Potomac River.

An American Airlines plane and a U.S. Army helicopter collided near Reagan National Airport and crashed into the Potomac River, according to officials.

A regional jet collided with an Army Black Hawk helicopter near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.