A police officer in Waikato used pepper spray on Boxing Day to repel two attackers, one of them armed with a machete.
Police were called to a house in Pukete, north of Hamilton city, just before 5pm on Sunday, after reports two men were fighting.
Inspector Rod Lindsay says a teenager came towards the sergeant with a knife when he arrived at the property. Another swung at him with a machete.
The officer blocked both blows with his baton and used pepper spray on them. They retreated into the house.
The officer has a black eye.
Two teenagers will face charges in court in connection with the incident.
On 11 December, a police constable sustained serious skull and facial wounds in a machete attack when he stopped a stolen car near Taihape.
Two teenagers are accused of attempting to murder Constable Bruce Mellor, 57.
