BART trains are running through San Francisco up to 30 minutes behind schedule due to police activity in Millbrae, a dispatcher said.

The delays started at around 2:15 p.m. at the Millbrae Station on the Pittsburg/ Bay Point line, which runs through San Francisco to the East Bay, the dispatcher said.

BART police apprehended a person who had trespassed onto the tracks near the station, Lt. Terence McCarty said.

As of 2:45 p.m., East Bay-bound trains were between 20 and 30 minutes behind schedule and recovering from the delay, the dispatcher said.

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