More warnings have been issued for heavy rain overnight, with multiple districts now in a state of emergency.

Immigration New Zealand says the 'disturbing' case of two young people kept as slaves shows how extreme exploitation can be hidden in plain sight.

All regional flights in and out of Wellington are cancelled while locals are warned to stay off south coast beaches amid severe southerly winds and heavy rain.

The formal identification process was underway, but police say it will take time.

The group is paying $119,000 for the 2025/26 year.

One person has serious injuries following the crash on Heaton Street.

MetService has issued multiple orange heavy rain and strong wind warnings from Sunday morning through to Monday evening.

Nick Leggett said the failure of the treatment plant was deeply serious and had affected the environment, public health and the community.

Ryan Vickers says he had never seen damage like the scenes on his parent's Waipā farm following Friday's intense rain.

A public health alert was issued on Saturday afternoon for around 14,000 households in Christchurch.

Police say it happened on Clarkin Road in Fairfield.

Three other people were taken to hospital with minor injuries.

Trish Osterman said the rain had eased on Friday night when she went to bed, and she didn't expect that things would pick up again in the morning.

Wellington Water is concerned that the weather could increase the likelihood of raw sewage being pushed towards the shoreline.

A recall has been issued for imported Nestlé-brand Milo Dipped Snack Bars.