A prisoner has died at Mt Eden Corrections Facility in Auckland today.
Police were called to the incident at the prison on Lauder Rd at 11.38am, a police spokeswoman said.
A St John Ambulance spokeswoman said the ambulance service was called to Lauder Rd in Mt Eden at 11.35am.
Three units responded to the call. She referred all other enquiries to the police.
Corrections confirmed a prisoner had died and police had been notified.