The number of people onboard and any fatalities is unknown at this time. The plane can carry up to 65 passengers and four crew members.

An American Airlines regional jet carrying 64 passengers and crew and a military helicopter collided in midair Wednesday night near a Washington, D.C., area airport.The Federal Aviation Administration said the crash involved a Bombardier CRJ700 regional jet operated by American’s regional carrier PSA and a Sikorsky H-60 helicopter.

D.C. police confirmed a crash had taken place over the Potomac and that search and rescue operations were taking place in the river. Donald Trump later weighed in.

PSA Airlines, a regional airline and subsidiary of American Airlines Group, announced today that it will relocate its corporate headquarters from Dayton, Ohio, to Charlotte, North Carolina, by026.

PSA Airlines is moving its corporate headquarters from the Midwest to Charlotte, the company announced Wednesday.

An Army Black Hawk helicopter collided with a regional American Airlines flight that was on approach to Ronald Reagan Washington National Airport near Washington, D.C. on Wednesday night.

American Airlines said the jet had 60 passengers and four crew members, while the Pentagon confirmed that three soldiers were aboard the helicopter. There was no immediate word on fatalities.

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.