Ross said the serious crash unit attended.
“Police are speaking to the driver of the vehicle and early indications are the crash was intentional.”
Ross said anyone who witnessed the crash and has not yet been spoken to by police should make contact via 105 or online and quote reference number P062662438.
A Hato Hone St John spokesperson said an ambulance, rapid response unit, and helicopter responded.
“Our crews assessed and treated one patient who was airlifted to Wellington Hospital in a critical condition.”
Maryana Garcia is a Hamilton-based reporter covering breaking news in Waikato. She previously wrote for the Rotorua Daily Post and Bay of Plenty Times.