Attention is moving towards what caused the destructive fire that sparked on Tuesday.

WATCH: Smoke alarms credited for saving family of six.

Firefighters will return to the scene of the Hamner Springs Fire tomorrow at first light.

A massive bushfire has cut off the South Island town of Hanmer Springs today. There were 17 fire crews fighting the blaze including rural tankers.

Fire crews were last night called to a fire in the sand dunes at New Brighton.

Five school staff are being treated for smoke inhalation after at fire at St Kentigern's School for girls.

The Waimate Hotel in Manaia, south of New Plymouth, has been destroyed by fire.

A 41-foot launch is on fire in the Marlborough Sounds.

A corporate box at a Nelson speedway was gutted by fire overnight.

Homes were evacuated as 18 fire crews and two helicopters battled a blaze which destroyed a house in Canterbury and put one person in hospital with burn injuries.

A firefighter was injured after falling through a staircase in a burning Grey Lynn house early today.

The blaze broke out at Glinks Gully at about midnight.

Seven fire crews and a helicopter have brought a large fire north of Pines Beach in Canterbury under control.

A man injured in a fire while doing demolition work at Marsden Pt oil refinery remained in Whangarei Hospital yesterday.

Westland High School students and staff were back in a school routine yesterday, although not from the actual school premises, which remain cordoned off following the fire.

The vehicle, in a southbound lane near the Papakura exit, was burning fiercely when fire crews arrived at the scene.

A fire destroyed a home in Middlemarch yesterday and left the occupants, including a mother and her two sons, counting their losses.

Firefighters are battling a large house fire on Roscommon Road, Manurewa.

A 17-year-old will appear in court next week in relation to the fire on Paritutu Rock in New Plymouth last Friday.

Crews were called to the Hataitai Hot Bread Shop on Moxham Avenue just after 7.30 this morning.

Smoke is coming from trees on the hill, just above the Mount Victoria tunnel.

Firefighters battled a blaze at a student accommodation complex in central Wellington early this morning.

Several suspicious fires set on and outside a house in Christchurch are being investigated by emergency services.

Fire crews are still at the scene of a major fire that has destroyed a large building in Hawera overnight.

Photographs taken inside Westland High School show the devastating extent of the damage after the fire on Monday.

A person whose fireworks led to a large blaze at Paritutu Rock on Friday night has been tracked down by police.