Tai Tuivasa In Backstage Altercation With Fellow UFC Fighter

Things have kicked-off early at the UFC Adelaide card, with Western Sydney's Tai Tuivasa in a backstage altercation with fellow heavyweight Justin Willis. 

Willis is scheduled to fight Mark Hunt on Sunday and reportedly confronted Hunt and Tuivasa at the ceremonial weigh-ins on Friday night.

WATCH BELOW: 

While cameras weren't able to pick up the vision you can clearly hear Tuivasa in verbal stoush with the American. 

Tyson Pedro joined Submission Radio following the weigh-ins to explain what went on.