A prison officer was sent to hospital after having his throat cut by an inmate.
The attack happened on Sunday morning 14th April 2019 at Nottingham Prison, the Ministry of Justice said.
The officer who was assaulted at about 10 am, required 17 stitches to the wound.
He has since been discharged from hospital.
Nottingham Prison’s governor said his thoughts were with the officer, his family and the team dealing with the fallout.