An American Airlines plane with 60 passengers and four crew members on board collided with a military helicopter near Washington, D.C., on Wednesday night, plunging into the Potomac River.

Investigators have recovered the flight recorders—also known as black boxes—from both the commercial jet and the military helicopter involved in the mid-air collision near Reagan National Airport in Washington,

Authorities are investigating a midair collision between an American Airlines regional jet and a Black Hawk helicopter over the Potomac River near Reagan National Airport in Washington, D.C. Follow along for live updates,