Service on Metra’s Union Pacific-West line was halted on Monday evening after a train struck a person near Lombard, officials said.

The transit agency said inbound and outbound train movement was stopped after Metra Train #51 hit a person. Authorities didn’t provide extensive details, but said extensive delays were expected.

Traffic was stopped near the tracks along North Grace Street and East St. Charles Road, Google Maps showed.

The Village of Lombard said in a Facebook post a large police presence was visible in the area of Parkside Avenue between Grace Street and Stewart Avenue for an investigation near the railroad tracks.

Drivers were advised to avoid the area and use alternate routes.

Check back for updates on this developing story.