A man is in custody today after BART police say they witnessed him sexually assaulting a woman at the transit agency's Rockridge Station in Oakland.

NBC Bay Area reports that BART police received a call at 2 a.m. Sunday from a witness to "some sort of a dispute" near the station entrance.

Speaking with Bay City News, BART police Lieutenant Aaron Ledford said that the caller said the dispute appeared to be between a man and a woman, and "the woman appeared to be in danger."

When police arrived, they observed "the two involved in sexual activity" in the parking lot, KRON 4 reports. When officers approached, they were able to confirm that "the woman had not consented" to that activity, according to BCN.

BART police detained the man on the spot, and interviewed both the suspect and victim in the case. The victim was transported to a local hospital, according to the East Bay Times. The man has has been booked into the Santa Rita Jail on suspicion of sexual assault. His name, as well as any additional details on the attack, have not been released as of publication time.

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