Emergency services are responding to a serious two-vehicle crash.
Police were alerted around 10.05am to the crash, which happened on Stanley Rd South, Te Aroha, in the Matamata-Piako District.
Early indications were that one person had received critical injuries and another serious injuries, police said in a statement.
A helicopter has been dispatched from Tauranga, police said. The road is closed and diversions are in place.
Motorists are advised to avoid the area if possible.