The National Transportation Safety Board says it has recovered a cockpit voice recorder and flight data recorder from the American Airlines plane that collided with an Army Black Hawk helicopter near Reagan National Airport late Wednesday.

Authorities are investigating the mid-air collision between AA flight and a U.S. Army helicopter. Experts call for prudence as facts become available.

There are confirmed fatalities from the collision of American Airlines Flight 5342 and the U.S. Army Black Hawk helicopter over the Potomac River. Several bodies have been pulled from the Potomac River crash site,