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A bomb threat halted the Metro Gold Line train in Monrovia Saturday afternoon, but the incident was resolved by about 6:30 p.m., officials said.

Either a train conductor or a passenger reported a suspicious package just before 4 p.m., according to Deputy DuBosky of the Los Angeles County Sheriff’s Department.

The train was stopped, and the LASD’s Arson and Explosives Detail investigated, DuBosky added.

The train remained stopped until the investigation was complete, and the Monrovia Police Department asked the public to avoid the area until it was safe.

Check back for updates to this developing story.