Three of the five children involved in a crash in Matamata remain in a critical condition.
A car was found in a ditch off Morrinsville-Walton Road on Monday night.
Five children, aged from 10 to 13, were all injured in the accident.
One was transferred to Starship Hospital in a critical condition, and two remain in a critical condition at Waikato Hospital.
Another is in a serious but stable condition, and the fifth child is in a stable condition.
Police said they are continuing to make enquiries into the circumstances of the crash.