not intervene until backup arrives. within seconds officers swarm the area. the inmates involved are quickly restrained and removed from the unit. close that door! close the door. >> one of the combatants is 28-year-old ja-norris hayes. hayes and the other inmate will be treated for minor injuries while authorities piece together what happened. >> available for one to come up -- >> and key to that process is a review of jail surveillance footage. >> this is our 2-1 unit. it's just about 5:00 p.m., dinnertime.