PROVO - Police say more than a dozen people were involved and one person was arrested in a fight Friday night at the Provo Towne Centre Mall.
Officers say it started when members of two rival gangs encountered each other in the food court area around 8 p.m.
A total of 13 people were involved in the fight, which included the use of brass knuckles.
Police arrested 18-year-old Juan Martinez-Godinez for rioting. He also faces a gang enhancement charge, which is a second degree felony.
Investigators are still working to identify the other people involved.