Two people were flown to hospital, one with critical injuries, after a crash in Minginui.
A police spokeswoman said they were alerted to the single-vehicle crash on Minginui Rd at 7pm yesterday.
The Serious Crash Unit was advised.
A St John spokesman said two helicopters, an ambulance, and a first response unit were sent to the scene of the crash.
Two patients were flown to Waikato Hospital, one with serious injuries and one with critical injuries, he said.