An investigation has been launched after a prisoner died in Maghaberry.
The Prison Service confirmed the 38-year-old remand prisoner died on Wednesday morning.
His next of kin have been informed.
The head of the Prison Service, Ronnie Armour said: "I would like to extend my sympathy and that of the Northern Ireland Prison Service to the family of the man who has died in Maghaberry this morning. My thoughts are with them at this difficult time."
The Prison Service has not released the man's name.
As with standard procedure, the PSNI, Coroner and prisoner Ombudsman have launched investigations into the death.