Prime Minister’s Auckland electoral office was damaged this morning after a sword was used to damage the building.
Police said the incident took place at about 8.20am when an object was thrown through a window at the office in Morningside.
No one was in the building at the time.
A sword was later photographed lying outside the office on New North Rd.
"No injuries have been reported and the building was unoccupied at the time," police said.