A teenager found unresponsive in a car in Rolleston near Christchurch has died.
Police were called to the scene at about 1.20am on Saturday.
Stuff reports the teen was in the boot of the car - which was overloaded with 10 people.
A police spokeswoman has confirmed the man received medical attention from bystanders before being taken by ambulance to Christchurch Hospital.
Police inquiries into the incident are ongoing.