A person was critically injured during a party that turned violent in Northland overnight.
Police confirmed they attended an address at Tikipunga, Whangarei, after receiving reports of disorder and fighting at 1.20am.
St John tweeted that a person had been assaulted and was in a critical condition.
A St John spokesperson declined to comment on whether the patient was male or female and which hospital that person was taken to.
A police spokeswoman said inquiries were underway but had no further information about the condition of the victim.