SAN FRANCISCO, July 3, (AP): A homeless man allegedly pushed a 74-year-old Filipina into an arriving San Francisco Bay Area commuter train, killing her, police said Tuesday.

Authorities with Bay Area Rapid Transit, better known as BART, said in a statement that the woman hit her head on the train and fell onto the platform in downtown San Francisco. She died at a local hospital.

The woman was pushed shortly after 11 pm Monday at the Powell Street station, authorities said. A 49-year-old man described by police as transient was booked into jail early Tuesday.

The medical examiner’s office identified the woman as Corazon Dandan. Her nephew, Alvin Dandan, said she was going home after finishing her shift as a telephone operator at a downtown hotel, both the San Francisco Chronicle and San Francisco Standard reported Tuesday.

BART police did not provide a motive, and the investigation is ongoing.