Stanford University deputies are searching for a man who groped a girl at Frost Amphitheater on Friday night, according to Department of Public Safety staff.
The man came from behind the girl and grabbed her hips and breast around 9:20 p.m., according to an alert issued early Saturday morning.
The sexual battery occurred during a concert by hip-hop group Brockhampton.
Deputies responded to the scene but couldn't locate the man, the alert said. He is described as a white man in his 30s or 40s, about 6 feet, 3 inches tall, with a muscular build. He has red hair and blue eyes. His hairstyle is described as shaved on the sides and back with long hair tied in a bun on the top. He wore a gray T-shirt and dark jeans.
Anyone with information about the incident is asked to call the department at 650-329-2413.