Unsettling video from a pro wrestling event shows the son of Quinton “Rampage” Jackson pummeling a wrestler to the point that he appeared unconscious in a moment that was allegedly unscripted.

Former UFC champion Quinton “Rampage” Jackson has apologized and said that he is “very upset” after his son allegedly committed what organizers called “a selfish, irresponsible act of violence” against a wrestler during an event Saturday night in Sun Valley,

Raja Jackson allegedly attacked Stuart Smith, also known as Syko Stu, during a show ran by WWE affiliated independent promotion KnokX Pro Wrestling.