REDWOOD CITY — A 38-year-old man was arrested on suspicion of sexual battery and indecent exposure inside the lobby of a Planned Parenthood on Saturday morning, police said.

Marcelo Arancibia, of Redwood City, was arrested at around 8 a.m. Saturday, after he allegedly entered a Planned Parenthood on El Camino Real. He allegedly grabbed a woman by the buttocks inside the library, then exposed his penis and began masturbating.

Authorities say Arancibia then ran, but San Mateo County deputies found him and arrested him. He was booked into county jail, where he remains.

Detectives are investigating the possibility Arancibia has committed similar crimes.

Anyone who might have information on the incident can call the San Mateo County Sheriff’s Anonymous Tip Line at 1-800-547-2700.