Firemen investigate the roof of the Harvey Norman building.
Firefighters have damped down the hotspot which reignited the fire at the Harvey Norman store in Porirua.
The fire service had been called back to the store around 8.10 Sunday evening.
The fire, which started late on Sunday morning, took nearly four hours to be damped down.
However, a section of the roof has now reignited and three fire engines are on their way to the scene.
Fifty firefighters in 12 fire engines from around the Wellington area were involved in fighting the blaze that started in a store room in the back of the store.
Fire Communications spokesman Murray Dunbar said the alarm was triggered by a smoke detector about 11.15am.
The first firefighters on the scene escalated it to a third alarm, which saw reinforcements racing to help as it spread to the large store’s ceiling cavity.
The size of the store and its contents meant that the fire was a major concern, he said.
It took nearly four hours to totally extinguish the fire and the contents of the store were extensively damaged.
Snorkel appliances were brought in to detect heat sources under the roof as firefighters wearing breathing apparatus went into the smoke-logged store to locate and put out any pockets of fire they could find.
The Harvey Norman store is in Parumoana St and is part of the Porirua MegaCentre.
No one from the store or Harvey Norman’s head office was available to comment.
© Fairfax NZ News
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