The Army could be charged with arson after a live firing exercise yesterday went wrong and sparked a large scrub fire, if police believe they were reckless.

Firefighters continue to work on the perimeter of the Great Barrier Island fire which flared up overnight but stayed within containment lines.

Backpacks on mussels? Researchers at the University of Iowa attached wireless sensor packages to Mississippi river mussels that measure how open their shells are.

A huge bush fire that has raged across Great Barrier Island in the Hauraki Gulf for more than a day is under control tonight.

The New Zealand Defence Force will investigate how a live ammunition training exercise at an Army base near Christchurch caused a large scrub fire today.

About 40 rural volunteer firefighters are battling a blaze threatening homes and businesses on Great Barrier Island, off the trip of the Coromandel Peninsula.

About 40 rural volunteer firefighters are battling a blaze threatening homes and businesses on Great Barrier Island, off the tip of the Coromandel Peninsula.

Fire crews from across the region have rushed to fight a large blaze in a community centre at Upper Moutere in Nelson.

Police have attempted to lift fingerprints from alarm boxes at an Auckland apartment building engulfed in fire on Sunday to try to establish who turned the system off.

A large scrub fire that endangered buildings in Taupo yesterday has been extinguished.

Police are investigating two suspected arsons in Dunedin overnight.

It's been 18 days of hard, heavy and "filthy dirty" work, but the Kiwi firefighters deployed to help battle the Tasmanian bushfires are on their way home.

Firefighters have extinguished a large vegetation fire on Great Barrier Island overnight.

Fireworks are believed to have been responsible for a large fire in the crater of Auckland's Mt Eden early this morning.

Skies around the country have been looking noticeably more hazy orange and bronze-coloured in the past few days as smoke from Australia's scorching bushfires reaches us.

A young woman raced into a smoke-filled corridor to warn neighbours about the fire engulfing their downtown Auckland apartment building after the smoke alarm system failed to go off.

Fires raged up and down the country yesterday stretching emergency services to "maximum capacity".

Australia's hopes are now focused on the monsoon finally forming over the north of the continent as more homes were lost to furious fires raging in above-40s temperatures and powerful hot winds yesterday.

Two minutes longer and a fire that destroyed a garage and small flat in Papamoa could also have claimed the lives of four children.

Ozzy Osbourne singed his hair and injured his hand trying to put out a fire in his Beverley Hills home.

Firefighters have battled two Christchurch house fires overnight - one of them considered suspicious.

A Kawakawa family is living in temporary accommodation after a New Year's Eve fire sparked by a falling power line left their home uninhabitable.