Key Points:

Police have named an Australian tourist killed in a car accident on the South Island's West Coast over Easter.

He was Christopher Kai Leung Ho, 32, of New South Wales who died when the car he was a passenger in crossed into the path of a van on State Highway 7, east of Greymouth on Saturday night.

Mr Ho was one of five tourists among the long-weekend road toll of eight, two more than the previous Easter.

Four members of one Hong Kong family were killed when their car collided head-on with a four-wheel drive near Clevedon, 40km southeast of Auckland, on Good Friday.

Sze (also known as Clara) Wan Ng, 32 was the only survivor of the crash that killed her sister, husband and parents.

She was seriously injured but is expected to be full recovery.

The dead were Wilson Wing Fung Ha, 33, Lai Chun Yip, 61, Kong Hoi Ng, 59, and Sze Lui Ng, 25. The family had only been in New Zealand for a day.

Henry Maxwell Croft, 18, of Hurunui, North Canterbury, died at Christchurch Hospital on Saturday after being injured when he drove into a rock face near Cheviot on Good Friday morning.

Paige Patricia Timothy, 16, died in Christchurch Hospital after sustaining head injuries when the stolen car she was a passenger in hit a tree during a police pursuit in Christchurch on Thursday night.

Graham Livermore, of Beach Haven, Auckland, died when the stolen motor bike he was riding crashed into a brick wall in the Auckland suburb of Glenfield on Good Friday. No other vehicles were involved.