R&B singer Chris Brown is facing a new legal challenge as Dickies Arena security personnel have filed a $15 million lawsuit against him, claiming they were injured during an alleged assault at one of his concerts.

The lawsuit, filed recently in court, stems from an incident that allegedly occurred during a performance by Brown. According to the legal documents, security staff at the venue, Frederick R. Overpeck, claim they sustained injuries while attempting to intervene in an altercation involving the singer.

Frederick who claims he can’t work at the moment due to the fact that he got severely injured said the first punch was thrown by Brown, 35, and that he orchestrated the violence that occurred on July 19.

In the civil lawsuit filed Tuesday in a Houston court, it was stated that Frederick Overpeck tried to intervene to stop the violence but was instead pushed aside, while Brown shouted racial slurs and urged his entourage to assault the four fans.

Further detailing the incident, Overpeck claims he attempted to protect Parker, who was cornered in a stairwell, positioning himself between Parker and the majority of the attackers.

“Unfortunately, the attackers, to include Brown, did not stop the violence, they instead continued to kick and stomp victim Parker, and in the process repeatedly kicked Plaintiff as well, severely injuring him.” according to the court document.

Before this latest legal battle, Brown and his team were already entangled in a $50 million lawsuit filed on Sunday by four concertgoers, alleging a “brutal, violent assault.”

The complaint, obtained by PEOPLE, claims that Brown, along with Conway, Hood Boss (a.k.a. Omololu Omari Akinlolu), and Sinko Ceej, “brutally and severely beat” Parker, Lewis, Bush, and Powell in what is described as an unprovoked attack backstage at one of Brown’s concerts.

The lawsuit also criticizes Live Nation for maintaining their relationship with the “No One Else” singer despite his history of “bad conduct and violent behavior.”

Representatives for Brown, Live Nation, Conway, Akinlolu, and Ceej did not immediately respond to PEOPLE’s requests for comment.

Attorney Tony Buzbee, representing the plaintiffs, stated: “This is Texas. The people here don’t care how important or famous you think you are, you have an obligation to follow the laws and conduct yourself in an appropriate way. Unprovoked violence can’t and won’t be tolerated. We intend to seek all damages that the law allows against Brown and his cohorts, to include punitive damages.”

Allegedly, Brown and his entourage were “throwing chairs” and “repeatedly kicking, stomping, and beating” the plaintiffs.

“The brutal, violent assault participated in and directed by Brown, severely injured all Plaintiffs,” the filing states.

According to the lawsuit, the four men were invited into the VIP area of Brown’s concert, where they had allegedly been waiting for the R&B singer for 30 minutes. When they grew “tired” of waiting, Bush claims he made his way to the exit and congratulated Brown on his performance.

At that point, one of Brown’s entourage allegedly reminded the singer that they were “beefing” and told his accomplices to “f—” Bush up.

The plaintiffs claimed they were cornered in a hallway and attacked by “seven to 10” of Brown’s crew as they tried to leave.

“One of Brown’s entourage, known by the alias Sinko, ran to the left side of the crowd and punched Bush in the chest,” the suit claimed. “Simultaneously, another of Brown’s entourage, stage alias Hood Boss, picked up a chair and threw it at Bush’s head.”

In the complaint, Brown allegedly instructed Conway and several others to “f—” Parker up, leaving him severely beaten.

The lawsuit also claims Parker was trapped in a stairwell, where he was attacked by Brown and others.

All four plaintiffs required medical treatment.

The alleged victims are seeking compensatory and punitive damages “in excess [of] $50 million,” as well as actual damages that include “pecuniary losses, pain and suffering, disfigurement, mental anguish, and past, present, and future medical expenses.”

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