Update, 8:08 p.m.: Trains are moving again; Train 877 has been released, 879 is approaching Silver Spring, and 895 has left Washington.

Earlier: A Maryland Area Regional Commuter train struck a person on the tracks between Washington Grove and Gaithersburg Friday afternoon, according to the Maryland Transit Administration.

The accident stopped travel on MARC’s Brunswick Line, and customers were warned to expect major delays via alerts and the MTA Web site. The Metro option was opened for all Brunswick Line passengers. Riders were instructed to show their tickets to station managers to enter and exit the Metro transit system.

MARC 877 on the Brunswick Line, which departed Union Station at 4:55 p.m., was holding between Washington Grove and Gaithersburg.

The MTA said a bus bridge was established to help transport passengers between Rockville and Metropolitan Grove. The buses would make all stops from Gaithersburg through West Virginia, officials said. Frederick County transit would transportation passengers from Point of Rocks through Monocacy and Frederick, the MTA said.

MARC 893 was holding at Rockville, and all other Brunswick Lines trains were being held at Washington.