Three men will appear in court on Saturday charged over the incident which led to the death of a 19-year-old in Taupo on Friday morning.
Police say Wiremu Birch died on his way to hospital after being stabbed in a fight near the corner of Rifle Range Road and Hinekura Avenue.
Three men, aged 23, 27 and 32, were arrested in Taupo on Friday afternoon.
All have been charged with grievous bodily harm and will appear in the Rotorua District Court.
Police say the investigation is continuing and further arrests have not been ruled out.
A post-mortem will be held in Auckland on Saturday.