LAFAYETTE — A 54-year-old man died Thursday evening on a BART train in Lafayette, officials said Friday.

The Contra Costa County Coroner’s Office has not released his name or a possible cause of death.

The man was found to be unresponsive about 5:03 p.m. Thursday on board the train which was on the SFO-line.

Police and paramedics tried to revive him on the train but he was eventually declared dead.

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BART said at this time the death is still considered to be from natural causes with no foul play involved but police are continuing to investigate.

Check back for updates.