Scrub fire at Tekapo contained, firefighters at fire scene in Waikato

A scrub fire at the Tekapo Military Training Area has been contained overnight.

The fire which grew to 200 hectares broke out just before 11.30am on Tuesday, after the Defence Force carried out a planned ammunition disposal.

A Fire and Emergency spokesperson said at its last patrol at 3am on Wednesday, there was no sign of fire.

Crews were due to carry out another patrol at first light.

Meanwhile, Fire and Emergency is urging Cantabrians to avoid lighting fires over the next few days with forecast temperatures of up to 30 degrees, and gusty northwesterly winds.

Monitoring of conservation area fire

Fire crews are back fighting a large vegetation fire that's spreading though a Waikato conservation area.

The fire in the Whangamarino Wetland near Mercer broke out on Monday afternoon.

Crews have been monitoring the blaze during the night.

The fire on Tuesday had a perimeter of 11km and had burned through more than 520 hectares in the Island Block area.

Incident commander Mark Tinworth said residents should stay inside and keep windows and doors shut if they smelt smoke.

Whangamarino Wetland is a conservation area of swamps, fens and peat bogs.