Corrections Minister Anne Tolley has taken the rare step of releasing footage from inside Rimutaka Prison to give an insight into guards' use of on-body cameras.
Prison security guards are trialling the cameras at Rimutaka and Auckland Prison for six months.
A select committee was this morning shown several video clips recorded on the devices, including a prison brawl, a standoff between guards and an inmate, and a guard discovering a long blade used in a stabbing.
Mrs Tolley said that the footage showed the cameras could be useful for de-escalating potentially violent situations.