One person has been airlifted to hospital in a critical condition after a crash between a truck and a car near Tirau.
A St John spokesperson said a rescue helicopter and ambulance went to the scene, and the patient had been airlifted to Waikato hospital.
Police were alerted to reports of a vehicle collision on State Highway 27 at 1.40pm, with a report a car had rolled into a ditch.
The road is closed and diversions are in place off SH27 on to SH1 and SH29, a police spokesperson said.
A Fire and Emergency New Zealand spokesperson said the collision was between a car and a truck.
