Emergency services are responding to a serious two-vehicle crash on Stanley Road South, Te Aroha, Matamata-Piako District.
Police were alerted around 10.05am.
Early indications are one person has received critical injuries and another serious injuries.
A helicopter has been dispatched from Tauranga.
The road is closed and diversions are in place.
Motorists are advised to avoid the area of possible.
Issued by Police Media Centre