While attempting to beat up a patron in a bathroom, two would-be robbers were stabbed by a vigilante at the House of Blues in West Hollywood early this morning, according to City News Service.

Both men were treated at the hospital, and then booked. The victim was nursing bruises from the bathroom beating, according to Lt. L. Haselrig of the Los Angeles County Sheriff’s West Hollywood Station.

Investigators are still searching for the vigilante, who could face charges of attempted murder or assault with a deadly weapon

The two were attempting to beat up a patron in a bathroom and take his belongings, according to CNS. The incident was reported at 12:15 a.m.

The club, at 8430 Sunset Blvd. at North Olive, remained open after the incident, Haselrig said, adding that an investigation is under way.