A woman was allegedly sexually assaulted Saturday night at a Jason Aldean concert. The assault, according to a campus crime alert sent out by the University of Oregon Police Department, occurred in a Matthew Knight Arena bathroom near the east doors.

The woman was not a student or affiliated with the university, according to UOPD. She described her assailant as a tall white male with brown hair, blue eyes, wearing a red flannel.

The investigation on this incident is ongoing, according to UOPD. Anyone who has information on the assailant or that would help the investigation should call UOPD at 541-346-2919.