An 18-year-old Montgomery County woman was shot in the head and killed early Friday in Northwest Washington’s Brightwood neighborhood, according to D.C. police.

Officers responding to the shooting about 3:25 a.m. and found the woman on the sidewalk in front of a bus stop in the 5700 block of 5th St. NW, according to Officer Araz Alali, a police spokesman.

Alali identified the woman as Siohban Nicole Lee, 18, of Takoma Park.

He said she had been shot once and was pronounced dead at the scene.

The location is a residential corner near Nicholson Street. Police had two blocks closed to traffic as late as 9 a.m.

Authorities said they had not determined a motive.

This item has been updated.