An American Airlines plane with 64 people on board collided with an Army helicopter over Washington, D.C., and crashed into the Potomac River.

An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National Airport after colliding with a U.S. Army Black Hawk helicopter on Wednesday night, with no survivors. Sixty-four people were on board the plane, which departed from Wichita, Kansas. Three soldiers were on the helicopter.

While authorities focus on the cause of the US's deadliest aviation disaster since 2001, families are mourning their loved ones. Here's the latest.

A commercial plane with 60 passengers and four crew members on board collided with a military helicopter with a crew of three near Washington, D.C., on Wednesday night.

National Transportation Safety Board to investigate a midair collision between an Army helicopter and an American Airlines flight from Kansas that killed all 67 people aboard the two aircraft.