Prisoner Mohamoud Ali dies at HMP Parc, Bridgend
An investigation is under way after an inmate died at Parc Prison in Bridgend.
Mohamoud Ali, 36, was found "unresponsive" in his cell by staff at HMP Parc at about 07:00 GMT on Saturday, 1 February.
The Prison Service said: "Prison staff attempted CPR and paramedics attended but he was pronounced dead at 7.49am.
"As with all deaths in custody, the Independent Prisons and Probation Ombudsman will conduct an investigation."
Private security contractor G4S, which runs the prison, confirmed Mr Ali was a "foreign national from Somalia".