Three prison officers are understood to have been sacked from HMP Edinburgh for attacking an inmate.
The trio, who are physical training instructors at the Saughton nick, are believed to have battered the 24-year-old prisoner in his cell in early September 2022.
It is understood the officers, who are responsible for delivering physical education programmes and activities for lags, were axed from their roles at the capital prison last week.
The extent of the convict's injuries are not yet known, nor is the crime he is serving time for. Police Scotland have launched a probe into the attack.
A spokesperson for the force said: “On Wednesday, September 7, 2022, police received a report of a 24-year-old man assaulted at HMP Edinburgh on Tuesday, September 6, 2022. Enquiries are continuing.”
The Scottish Prison Service declined to comment on the incident but insisted any violence within their institutions is "completely unacceptable".
A spokesperson said: “As this matter is in the hands of Police Scotland, it would be inappropriate to comment. We expect the highest standards of behaviour from all our staff.
"Where standards fall short, we have procedures in place to address matters. Any act of violence is completely unacceptable and all allegations are reported to Police Scotland for independent investigation.”
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