One of the two police officers assaulted in a Waikato baseball bat attack suffered a skull fracture and remains in hospital.
The two police officers were assaulted in Hamilton overnight following a routine traffic stop.
A vehicle containing three people in Fairfield just after midnight was stopped and the officers were speaking to the driver when he allegedly produced a baseball bat and attacked them.
Both police officers were taken to Waikato Hospital.
One officer suffered a concussion and was discharged, the other suffered a skull fracture and remains in hospital in a stable condition, a police spokesperson said.