An American Airlines jet and an Army helicopter collided over Washington, D.C., Wednesday night. The number of casualties is unclear and a search-and-rescue mission is ongoing.

"Obviously, that will be fluid," John Potter, President and CEO of the Metropolitan Washington Airports Authority, said at a press conference early Thursday morning.Start the day smarter. Get all the news you need in your inbox each morning.

Officials said a search and rescue operation is underway, adding there is no information on any casualties at this time.

A passenger jet carrying 64 people collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting a large search-and-rescue operation in the nearby Potomac River.

An Army Black Hawk helicopter collided midair with an American Airlines flight from Wichita, Kansas, at Reagan National Airport on Wednesday.

By The Associated Press A jet with 60 passengers and four crew members aboard collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting

ARLINGTON, Va. (AP) — A passenger jet collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, prompting a large search-and-rescue operation in the nearby Potomac River.

A small plane crashed near Ronald Reagan Washington National Airport Wednesday night after colliding with a military helicopter.

An aircraft is down in the Potomac River near Ronald Reagan Washington National Airport, authorities said after a suspected collision late Wednesday. It was not immediately clear if there are fatalities. Video circulating on X appeared to show a midair collision.