Hopes of recovering bodies are fast fading for families of the 29 miners lost in the Pike River mine.

An Australian expert was arriving in Greymouth tonight to provide advice on the jet engine GAG operation at the ill-fated Pike River Coal mine, where it's "highly likely" part of a coal seam has caught fire.

The chief executive of Pike River mine says the families of the 29 victims of the disaster are coming to terms with the fact they may not get their loved ones back, as recovery efforts continue to be hindered.

Deployment of the "GAG" unit at the Pike River coal mine has been delayed after a fire at the entrance to the mine this morning. Rescuers are trying to extinguish a coal fire so the bodies of 29 trapped men can be recovered.

Nightmares about the 12 Queensland miners he could not save have haunted John Brady for more than 20 years.

Flames were last night shooting from the top of a 108m ventilation shaft at the Pike River coal mine - and only a couple of mountain peaks away a 43-year-old fire from the Strongman mine continues to billow smoke.

Watch Kiwi Karl Loo's video of the shocking 30-story apartment complex fire, two blocks from his home, which left 42 dead.

A trackside fire has shut down train services on Auckland's Southern and Eastern line between Otahuhu and Papakura.

Fireworks might legally go on sale only today, but already firefighters have been called to a school blaze deliberately caused by them.