HMP Winchester: Disturbances before riot filmed at jail
Scenes of a disturbance that took place inside HMP Winchester - where inmates rioted in August - were captured on film by a documentary team.
Channel Four spent two years following the criminal justice system for the series "Crime and Punishment".
The footage - from May 2018 - shows a team of nurses trying to reach inmates with critically-needed medicine and a prison negotiator urging a prisoner to hand over a blade.
This video has been removed for rights reasons.