ATHERTON (CBS SF) — A train fatally struck a man near the Atherton Caltrain Station Friday afternoon, according to Caltrain officials.

At 2:56 p.m., a northbound train struck an adult male, causing Caltrain’s 12th fatality of the year, Caltrain officials said.

READ MORE: COVID Schools: University Of Pacific To Require Vaccination To Attend In-Person Classes

A preliminary investigation indicated the death was an intentional act, Caltrain officials said.

At the time of the accident, there were 400 people on board the train.

READ MORE: Bay Area Japanese Seafood Restaurant Owners Charged With Tax Evasion, Wage Theft

The collision caused delays of up to 90 minutes as trains ran on a single track through the area.

A SamTrans bus bridge was deployed to accommodate passengers between the Menlo Park and Redwood City stations during the incident but was canceled at 4:35 p.m.

Trains do not stop at the Atherton station on weekdays, Caltrain officials said.

MORE NEWS: Stimulus Check Update: Will You Get A Fourth Relief Payment?

© Copyright 2015 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed