Tyson Beckford, Robert Ri'chard and Apple de Ap all tell TMZ ... they were inside the pre-VMA party hosted by Chris Brown when they heard 4 shots ring out inside the club.
Suge walked out on his own power ... a cop spotted him and walked the rap mogul to the police car where Suge sat. Suge was then put in an ambulance and taken to a local hospital.
5:45 AM PT -- Suge is out of surgery … according to family sources. We're told Suge was shot 6 times. He's currently in ICU, but is expected to recover.