One person has died and another four have been injured in a crash on State Highway 1 in the north of Auckland.
The crash happened near Cowan Bay Rd in Warkworth.
State Highway 1 is closed between Puhoi and Warkworth.
St John attended the incident at 1.38pm. Initially four people suffered moderate injuries and one had critical or life-threatening injuries.
Police later confirmed that the critically injured person had tragically died. One of the people listed initially as moderately injured was now in a serious condition.
Five St John vehicles attended the crash and at least one is still there. A helicopter has also been dispatched.
State Highway 1 is closed between Puhoi and Warkworth. Photo / via Google Maps
"Please follow directions of emergency services. Delays in the area are likely," Waka Kotahi NZ Transport Agency tweeted.
"Diversions may be required. Road closure is possible."