Chris Brown is facing a second lawsuit over an assault he and his entourage allegedly carried out backstage against four concertgoers in Fort Worth, Texas last weekend, with a security guard hired for the event now claiming that he was injured trying to stop the violence. In the new suit, filed in Harris County District Court on Wednesday and obtained by Rolling Stone , Frederick Overpeck — who said he was hired to lead back house security for Dickies Arena — claimed that he saw Brown throw the first punch at one of the four plaintiffs who first sued Brown on Monday. Overpeck tried to intervene, the suit alleges, but he was thrown out of the way.

Like Monday’s suit, the new complaint names Brown, several members of his entourage, and concert promoter Live Nation as defendants, with the listed causes of action being assault and battery, negligence/gross negligence, and intentional infliction of emotional distress. Overpeck is seeking $15 million in damages. “This was an unprovoked attack and Chris Brown not only directed it, he threw the first punch,” Overpeck’s attorney Tony Buzbee, who is also representing the plaintiffs in the original complaint, tells Rolling Stone in a statement.

“We will use the full force and weight of the court system to obtain justice here.” In the suit, Overpeck claims he saw one of the plaintiffs, Larry Parker, try to escape Brown and the crew by running down a stairwell, trapped by a locked door. Per the complaint, Overpeck, a forme.