of a sudden, something is going on. they are sending signals. >> sometimes there is no warning. surveillance cameras captured an inmate-on-inmate attack. a deputy takes control of the situation and separates the men. >> should be all locked down. yep. that inmate is a little bit bloody there. it kicked off during the meal time. >> zachary and antoine. >> we responded to a fight. when i arrived mr. harvey had blood all over his face. he was punched numerous times with a cut inside his lip. >> they are going to clean him up and evaluate his injuries. if he requires internal stitching, they can't do it here. he will have to be taken to the hospital. the other was taken to the desegregation unit. >> they'll investigate to see if it was a fight or assault. >> the deputy up there talked to other inmates, reviewed the camera to see what all happened. >> one of the witnesses was a