One person has died following a bus crash in Tongariro National Park, which saw a bus with 31 passengers roll over on Ohakune Mountain Rd.
Police attended the scene just after 2.30pm on Saturday after reports a vehicle had rolled halfway down Ohakune Mountain Rd, which runs to Tūroa skifield.
One person suffered critical injuries in the crash and was flown to Waikato Hospital.
Police said one person died overnight and a serious crash investigation is under way.
A spokeswoman from Waikato District Health Board said three people were taken to the hospital aged 20, 29 and 31.
A St John spokesperson said at least 15 other people had moderate injuries, including head injuries, and were being treated at a triage centre set up in Ohakune.
Three helicopters were flown to the crash site on Mt Ruapehu to help transport the wounded.
In a statement, police said 31 people were understood to have been on the bus.