CASTRO VALLEY (CBS SF) — A search for a person reportedly on the BART tracks at the Castro Valley station Monday evening came to a gruesome end when a body was discovered under a train, authorities said.

The discovery triggered major delays in the Dublin/Pleasanton and Daly City directions.

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BART sent out an initial alert at 6:24 p.m. saying trains were no longer stopping at the Castro Valley station reportedly because someone had been spotted on the tracks.

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Police and firefighters searched the tracks and did not find anyone but later discovered the person under a train. The coroner has been called to the station to investigate the death.

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By 8 p.m., BART officials said service had been restored to the Castro Valley station.