Emergency services are at a house in the Christchurch suburb of Redwood where a person has died.
A member of the public called police after finding the person dead in the house on Momorangi Cres.
A police spokeswoman said they received the call just before 2pm. Ambulance and the fire service had also been called but it was not clear if they had attended, she said.
A spokesman for St John said a unit had been called to assist emergency services and one was on scene, however, they are not acting on anything.