TUCSON, Ariz. - Five inmates were taken to the hospital after a fight broke out at a Tucson prison Sunday morning.
Department of Corrections spokesman Bill Lamoreaux said the fight started at the Whetstone Unit of the Arizona State Prison Complex around 9:45 a.m.
Lamoreaux said the fight involved around 300 Caucasian and Mexican-American inmates and approximately 100 African-American inmates.
Officials said two prison staff members received minor injuries during the fight.
Five inmates were transported to local hospitals for treatment and additional inmates were treated on-site.
Lamoreaux said the Tucson complex was locked down during an investigation.
The Whetstone Unit prison houses approximately 1,250 inmates.
Officials said Sunday visitation was canceled.