Three dead as one remains missing in crash

Three people have died after a two-vehicle crash in on State Highway 1, Waiouru, overnight, while one person remains missing.

Emergency services were called to the scene about 2.55am.

Three people were found dead at the scene, police said.

Two further occupants sustained serious injuries.

A further person, who police believe was also in one of the vehicles, has not been accounted for.

A search and rescue operation is underway to locate them.

The road remains closed, with diversions in place.

Motorists should avoid the area.