A woman has been killed in a head-on collision near Opiki, south of Palmerston North.
Police say a northbound vehicle crossed the centre-line and collided with the car driven by a pregnant 42-year-old woman, who died at the scene. The man driving the other car was critically injured.
Police are investigating whether alcohol was a contributing factor in the crash.
A woman has died after a head-on crash on State Highway 1 at Turangi, south of Taupo, shortly after 4.30am on Sunday.
The Ambulance Service says two others suffered serious and moderate injuries, and were taken to Taupo Hospital.