Plane and helicopter crash in Washington; 18 dead.

At least 18 people were killed when a passenger plane collided with a military helicopter while landing at Ronald Reagan Airport in Washington. After the collision, both aircraft fell into the icy river. Rescuers responded quickly, but hopes of finding survivors are slim due to the low water temperature. FlightRadar recorded the moment of the collision, after which the flight tracking was discontinued. Rescuers are still searching for survivors.