Prison authorities have confirmed a prisoner has been found dead at the facility in Jurby.
The man was discovered in his cell this morning, but he hasn’t yet been named.
Prison governor Alison Gomme says his next of kin has been informed.
The coroner of inquests is conducting enquiries.
'Possibly the most prolific drug dealer the island has seen' sentenced
'He was a career drug dealer who believed that he would not be caught'
Ramsey MHK resigns from departmental posts
Leader of the Liberal Vannin party is encouraging people to join a political party
Analysis: Could the next Budget leave you with more take-home pay?
Treasury modelling and recent remarks in Tynwald offer clues about a potential rise in the personal tax allowance
Jail for mother who violently shook her infant son
Boy 'has sustained life changing injuries and will always require specialist medical care'