A helicopter has been called to the aid of a person involved in a serious crash near Taupō.
A police spokeswoman said they were called to a single-vehicle crash on State Highway 5 in Iwitahi near the intersection of Taharua Rd about 1.30pm.
The vehicle was towing an empty horse float when it crashed into a bank.
One person has suffered serious injuries.
The highway was down to one lane and the Serious Crash Unit was attended, she said.