The Kaitaia Fire Brigade was back at the old Kaitaia Bowling Club pavilion in Matthews Ave on Thursday evening for the third time since an electrical fault sparked a fire on the upper floor in October.
All three subsequent fires have been deemed suspicious - yesterday police confirmed they had some idea of who was responsible but were not yet in a position to take action.
The Police Youth Aid section was continuing inquiries.
The first of the fires, on March 7, resulted in further major damage to the upper storey of the club. The second was lit on the ground floor, causing minor damage, while last week's, which was also extinguished by firefighters before it got out of control, was set in cushions on the ground floor.
Fire risk management officer Gary Beer said fire authorities were now working with the Far North District Council and the owners of the building, believed to be a couple living in the US, with the aim of having it demolished on the grounds of public safety.