Quinton "Rampage" Jackson's son, Raja Jackson's brutal attack against Syko Stu over the weekend is reportedly under investigation.

Raja Jackson, son of UFC legend Rampage Jackson, is under LAPD investigation after an unscripted assault at KnokX Pro in Sun Valley left wrestler “Syko Stu” hospitalized. Video of the attack went viral.

Stuart Smith, the professional wrestler who goes by the ring name "Syko Stu," is "stable but in critical care" after allegedly being brutally beaten by mixed martial artist Raja Jackson at a Knokx Pro Wrestling event on Saturday.