UPDATE, 12:30 p.m. Tuesday:

Montgomery County police identified the victim as Arlyn Chun-Hillard, 28, of an unconfirmed address, and said he was pronounced dead at the scene.

Police said anyone with information about the incident can contact them at 240-773-5070.

UPDATE, 6:30 p.m.:

Officials said MARC service has been restored, with trains traveling at reduced speeds. Extensive delays are expected, officials said.

In a statement, a Maryland Department of Transportation spokeswoman said the pedestrian was struck at about 4:10 p.m. between the Garrett Park and Rockville stations. Passengers remained aboard the train with functioning lighting, climate control and restrooms until the conclusion of the investigation, according to the statement.

The name of the victim was not immediately released.

ORIGINAL POST:

Montgomery County police said a pedestrian was fatally struck by a MARC train near the Twinbrook station at about 4:30 p.m. Monday. The site is behind the Target store east of Rockville Pike.

Service on MARC’s Brunswick Line was suspended. Maryland Department of Transportation officials encouraged commuters to use the Penn Line and Metro.

Montgomery County police initially said the incident involved a CSX freight train but later said it was a MARC train that struck the pedestrian.

Bou Avenue was closed between Randolph Road and Chapman Avenue during the investigation, and commuters were advised to adjust routes.

It's the second time Monday that someone was fatally struck by a train in the Maryland suburbs.

The first incident happened about 5:17 a.m. near Carter Avenue and Lanham Road in Prince George’s County. The person was pronounced dead at the scene.