A soldier is facing a court martial for allegedly ambushing a senior colleague following a cocktail function at Waiouru Military Camp.

The third Kaimanawa horse muster of the year is underway in New Zealand, with helicopters assisting efforts to manage the population on Defence Force land near Waiouru and protect the alpine environment.

State Highway 1 Desert Road, between Rangipo and Waiouru, has reopened after being closed due to a triple-fatal crash involving a truck and a car.

Residents in Waiouru, New Zealand, received an emergency alert and a precautionary 'do not drink' notice due to elevated aluminium levels found in the water supply.

A crash has led to the closure of the Desert Road between Waiouru and Rangipo in New Zealand.

A 'Do Not Drink' notice has been issued for the water supply in Waiouru, New Zealand, after tests revealed chemical levels exceeding the maximum allowable amount.

Wild Kaimanawa horses, mustered from Defence Force land near Waiouru, are undergoing training to prepare them for new homes.