Four men are facing charges after Northland police uncovered a “large” cannabis growing operation in Whangārei.
About 3400 plants were found at the rural house in Whangārei Heads.
Police searched the house on Wednesday morning, with staff including dog handlers, drug experts and a team from the asset recovery unit, a police spokeswoman said.

Four men, aged between 19 and 33, were arrested and charged with cultivating cannabis and possessing cannabis for supply.