Two police officers were assaulted in Hamilton overnight following a routine traffic stop.
Police stopped a vehicle containing three people in Fairfield, a suburb of Hamilton, just after midnight.
They were speaking to the driver when he allegedly produced a baseball bat and assaulted the two officers.
The officers were taken to Waikato Hospital. Both were in a moderate condition.
A 17-year-old male was arrested and will appear in the Youth Court in relation to the matter.