By David Hunter
The Northern Ireland Prison Service says a 33 year-old man has died in Custody at Maghaberry.
He passed away in hospital this morning, but the circumstances are unclear.
The Prisoner Ombudsman is investigating, and the man's next of kin has been informed.
As with standard procedure, the PSNI, Coroner and Prisoner Ombudsman have launched investigations into the death.
Ronnie Armour, Head of the Northern Ireland Prison Service said: "I would like to extend my sympathy and that of the Northern Ireland Prison Service to the family of the prisoner. My thoughts are with them at this difficult time."
Woman dies in Cookstown road crash
Extra £400m to support health and education in Northern Ireland
Collaborative approach must remain in removing illegal flags – police federation
Ireland rugby star Jack Kyle to be commemorated with blue plaque
Police investigating South Belfast arson attack