A Caltrain EMU test train struck and killed a person on the tracks in San Carlos early Sunday morning.
Caltrain said at 12:10 a.m. a southbound train hit and killed a person who was on the tracks for unknown reasons.
The victim, who hasn't been identified, was confirmed dead at 12:27 a.m. The cause of the collision hasn't been determined, Caltrain said Sunday morning.
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The San Mateo County Sheriff's Transit Police Bureau, which patrols the Caltrain corridor, is investigating.
