Someone who ran out of gas on the Baltimore-Washington Parkway and was getting help was hit by a car and killed early Sunday, officials say.
The person, who was not immediately identified, was hit by a driver headed south, just south of the Beltway, U.S. Park Police said. Police were called at about 3:10 a.m.
The pedestrian was pronounced dead on the scene. The driver remained there.
The parkway was closed and traffic was diverted to Greenbelt Road.
Stay with NBC Washington for more details on this developing story.