Thirteen people have been injured in a serious crash which has closed part of State Highway 1 between Auckland and Hamilton.
The accident involved a car and a van on the Waikato Expressway near Meremere.
A St John Ambulance spokesperson said 13 people had been injured, and five were being taken to hospital. One person was airlifted to Waikato Hospital with suspected spinal injuries, while another was being taken to Auckland's Middlemore Hospital.
Traffic in both directions between Drag Way and Meremere is being diverted on to the northbound lanes, while the lanes heading south are closed.
Drivers are being warned of considerable delays, and the New Zealand Transport Agency is urging people to delay their journeys.