Police are investigating a stabbing which occurred in Kawerau on Friday night.
Emergency services were called to a house on Bowen St at 11.45pm.
Senior Sergeant Karl Konlechner said a man suffering stab wounds was found at the address.
He was taken to hospital in a serious condition.
The police Criminal Investigation Branch (CIB) was investigating.
Konlechner said he was not able to release any further information at this stage.