A man has died following an incident at Lincoln Prison.
The incident happened on September 11, where a 29-year-old prisoner was taken to hospital.
On September 25, the man died in hospital due to his injuries.
A 41-year-old prisoner has been interviewed and ‘released’ under investigation while the EMSOU Major Crime team continues with the enquiry.
Lincolnshire Police have said that ‘released’ in this context refers to the man’s status in the investigation, not his physical location.
He remains in prison.