Teapot Valley south of Nelson is being evacuated as firefighters battle to bring the fires in the area under control.
Fire crews have been working continuously to try and contain the large fire in Nelson that broke out on Tuesday afternoon.
Nelson council said evacuations are now underway in the west side of Teapot Valley, affecting about 25 properties.
The council said the evacuations were a precautionary measure because of the increased fire intensity seen this afternoon.
More than 200 properties have been evacuated overall, affecting about 400 residents. One home has been lost and several others damaged by the fire's intense heat.
Cordons remain in place at a number of locations.
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Map:
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