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

At least one aircraft crashed Wednesday evening over the Potomac River near Ronald Reagan International Airport outside Washington, D.C., officials said, grounding all flights at the airport. The District of Columbia Fire and Emergency Medical Services Department reported in a social media post that a small aircraft crashed in the Potomac River in the "vicinity" of the airport.

A small American Airlines plane collided with an Army helicopter before crashing into the Potomac River near Reagan National Airport.