One person has died and two are seriously injured after a head-on vehicle collision this afternoon.
The crash occurred at around 2pm on State Highway 3 near Sanson, Palmerston North and involved two vehicles.
One person died at the scene and three patients were taken to Palmerston North Hospital with critical, serious and moderate injuries, an ambulance spokeswoman said.
Another had minor injuries.
A fire service spokesman said no one was trapped in the vehicles, but the truck had caught fire.
Police say road diversions are in place and warn they may be in place for several hours while a scene examination is carried out.
Emergency services and the serious crash unit are at the scene.
Police say no more information will be released until next of kin have been informed.
3 News / NZN