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The Easter road toll climbed to eight overnight - two more than for the entire holiday road toll last year.
The latest deaths were an Australian tourist killed on the South Island's West Coast, and a young man who died in Christchurch Hospital from injuries sustained in a crash on Friday.
Police said the 32-year-old man was the front-seat passenger in a Hyundai car which was involved in a crash on State Highway 7, east of Greymouth.
The crash happened about 6pm, when the car he was travelling in crossed the centreline, into the path of an east-bound van.
The Blenheim-based Police Serious Crash Unit is investigating.
The driver of occupant of a vehicle which crashed north of Frog Rock on State Highway 7 near Cheviot early on Friday morning died yesterday at Christchurch Hospital from his injuries.
He was Henry Maxwell Croft, 18, of Hurunui.
Police said Mr Croft was driving south along Weka Pass Road when he failed to take a moderate right hand bend, and ran off the road into a rock face.
A teenage girl who died when the stolen car she was a passenger in slammed into a tree in during a police pursuit in Christchurch on Thursday night has been named.
She was Paige Patricia Timothy, 16.
Her name was revealed in court documents at the appearance of the car's driver in the Christchurch Youth Court yesterday.
The teenager, who turned 17 yesterday, is charged with the manslaughter of Ms Timothy and a raft of other offences including drink driving, burglary and car theft.
He cannot be named because the alleged offences occurred while he was 16.
Ms Timothy was in the car with another teenage girl who remains in a serious condition in Christchurch Hospital.
On Friday afternoon four tourists died after a head-on collision in South Auckland. It was the region's worst accident in three years.
The crash happened when a Nissan station wagon and a Pajero four wheel drive collided on North Road, about 3km north of Clevedon, at 12.30pm.
The Nissan was carrying a family of five tourists from Hong Kong on an Easter fishing trip, the New Zealand Herald reported.
Four of the family, including a girl aged about 10, were killed.
The sole survivor from the stationwagon was the girl's older sister, whose husband was driving. She was in a serious condition in Middlemore Hospital.
The occupants of the Pajero, including a girl aged about 12, were taken to hospital with minor injuries.
Earlier on Friday a motorcyclist died when he crashed on Eskdale Road in the Auckland suburb of Glenfield. No other vehicles were involved.
- NZPA