Iran has warned US forces not to enter the Strait of Hormuz after President Donald Trump said the United States would "guide out" ships stranded in the Gulf by the US-Israeli war on Iran.

A charge has been dropped against a man whose partner was shot dead by police in Christchurch.

A Dunedin man pulled over after swerving all over the road claimed the alcohol he consumed shouldn’t count because it was the "the blood of Christ".

Police and experts say it is not just excessive speed contributing to a recent uptick in fatal road crashes, but motorists' poor attitudes to driving and lack of training.