Parr said police have been notified and Corrections will carry out a review of the incident and will ensure all evidence is provided to police.
“Violence in prison is not tolerated and anyone who displays such behaviour will be held to account for their actions, including potentially facing criminal charges.
“Prisons can be volatile environments, and we are constantly working to ensure our prisons provide the safest environment possible for staff and prisoners.”
Auckland Prison at Pāremoremo, on Auckland’s North Shore, is New Zealand’s only specialist maximum-security prison.
Police confirmed they were in attendance over the incident and referred questions to the Department of Corrections.