An area of scrub and pine forest spanning 2.5 hectares is still burning in the Waikato suburb of Mangakino.
Newshub has been told the blaze is being contained between a main road and a power lines access road.
Three choppers and two bulldozers are in attendance, and the roads around the fire remain closed.
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Around 50 firefighters and several helicopters were earlier battling the large blaze, north of Lake Taupō. Just after 5pm it was said to be spreading rapidly up a hill and moving towards the forest.
Daniel Nicholson from Fire and Emergency New Zealand (FENZ) says crews are working hard.
"We've just been told that a helicopter is currently at work with a monsoon bucket, and further helicopters are setting up to carry out aerial operations," he explained.
"We have nine fire appliances in total on scene and responding."
Earlier on Thursday, the fire risk in Mangakino was updated to 'extreme' due to hot, dry weather conditions. A complete fire ban was ordered in both urban and rural areas.
FENZ says it was called to the scene at 4:45pm on Thursday, and there are around 50 firefighters on the ground.
As yet, the cause of the blaze is still unknown.
Newshub.
