This year's fireworks display involved 500kg of fireworks, SkyCity chief operating officer Callum Mallett said.
Emergency services were notified at 7.55pm last night a car had rolled on Rangiora Leithfield Rd in Sefton.
The injury is believed to have caused the 55-year-old to suffer a cardiac arrest.
The crash involving the pedestrians and a vehicle happened about 9.15pm on Back Ormond Rd, Ormond.
Assistant Commissioner Bruce O'Brien said the holiday period's road toll is completely unacceptable.
The children, all aged between one and five, were flown to Perth Children’s hospital Tuesday after being found just kilometres from their home.
McLean and his partner have been together since 2017.
Fire and Emergency NZ said the number and scale of incidents overnight reinforce fireworks pose a high fire risk and must be used responsibly.
Iconic landmarks around the world marked the start of the new year with extravagant fireworks displays.
Figures from the AA released to 1News revealed a 40% reduction in the number of breath tests carried out nationwide over the last five years.
Kiwis are currently having to wait up to 32 weeks to have their skin checked for melanoma.
The historic building has been cleared out so it can be redeveloped - which means the building is now a blank canvas for more than 50 people to create art.
Fire and Emergency said people should be "very careful" as the region gets drier.