A woman in her 60s was beaten and sexually assaulted in San Mateo and police are looking for a suspect.
They say it happened on 9th Avenue and El Camino on Wednesday.
They believe the suspect is homeless and may have gone to a business in that area.
He was wearing a red sweatshirt that said 'lifeguard' on it, police say.
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They were able to find the sweatshirt and a bicycle believed to belong to the suspect.
Anyone with information is asked to call the police department.