The woman spoken to by police after a 20-year-old man was critically injured by a car in Tokoroa, has been charged with assault with a weapon.
The Putaruru man was injured on Cramond Street at midday on Saturday.
The Hamilton-based Westpac Rescue Helicopter retrieved the man from Tokoroa Hospital at 1pm and flew him to Waikato Hospital.
Police began speaking to a 32-year-old woman immediately after the incident. She was arrested and charged some time overnight.
Waikato Hospital said the man's condition remained critical and he is being held in the ICU.