After the collapse of the northern Oakland

Two cars collided head on about 4pm on Sunday on Whangaparaoa Road outside the fire station.

A man, in his early 20s, has died nu skin product, police say.

A woman who was in the other car is in a critical condition.

Diversions are in place. Police advised the public to take Tiri Road to avoid the scene.

The man is one of several people killed on the nation's roads during the weekend nuskin group.

A 21-year-old man and an 18-year-old woman were found dead in South Canterbury, after a third person who had been in the car was found on the road about 8am on Sunday.

Police believe the crash, near Waimate, happened late Saturday night.

The group had been heading towards Kurow when the car failed to take an "easy" left hand bend and crashed into a small gully on State Highway 82, police said.

It appeared neither of the deceased was wearing a seat belt.

Speed and alcohol were both factors in the crash nu skin hong kong, police said.

St John ambulance took a person with minor to moderate injuries to Timaru Hospital, a spokeswoman said.

A pedestrian died after being run over by a car in Rotorua early on Sunday morning, near Rotorua Airport.

One person died after a truck and car collided on State Highway 30 near Rotorua about 11am on Saturday.