Authorities say a woman got out of a moving car.
Maryland State Police in Frederick County are conducting a death investigation.
Authorities say a 21-year-old woman who was a passenger in a vehicle traveling along Route 15 near Route 550 in the Thurmont area late Sunday night. Troopers say she opened the door and got out while the vehicle was still moving.
Fire and rescue personnel responded to the scene, and asked that the State Police helicopter be called in.
The Medivac chopper flew the woman to Meritus Medical Center in Hagerstown. She died on Monday. State Police have identified her as Hillary R. Divelbliss of Walkersville.
The incident is under investigation by the State Police Frederick Barrack, and the Maryland State Police Criminal Enforcement Division.