A boiler explosion in a shed near Whangarei has set a large shed on fire.
Fire crews are working to contain the fire in a 100sq m shed in Maunu, after an explosion about 8.15 this evening.
Northern fire communications spokesman Jaron Phillips said no one was believed to have been injured in the blast.
A neighbouring home was at risk and fire crews were working to contain the blaze.
AdvertisementAdvertise with NZME.
"We're bringing in more crews and extra tankers," he said.
Mr Phillips said fire crews from Whangarei, Kamo, Portland and Marsden Point were attending the fire.