A Tokoroa police officer attacked by a dog while attending a family violence call out remains in Waikato Hospital recovering from surgery to repair injuries to his leg.
The officer and two colleagues went to a Tokoroa property in the early hours of Saturday morning to arrest a man. He resisted and a dog at the property attacked one of the officers.
The officer managed to Taser the dog but suffered serious injuries to his legs.
Police said there was no suggestion the dog was deliberately set on the officer.
"Fellow officers deployed OC Spray which caused the dog to let go of the constable being bitten," a spokesman said.