A person is dead and two seriously injured after a head-on crash near Karapiro in Waikato.
The collision happened just after 6pm. Two other people have moderate injuries.
The Waikato Rescue Helicopter said one of the injured was a woman in her 30s, who was five-months pregnant.
She was flown to Waikato hospital with a fractured sternum.
A section of Tirau Road is closed and diversions are in place.