One person has been seriously injured after a crash involving two trucks at a major Waikato intersection.
A police spokeswoman said they were called to the two-truck crash at the State Highway 1/SH29 intersection at Karapiro about 7.45am.
"One person is reported to be in a serious condition. People are advised to avoid the area," she said.
Fire and Emergency NZ and St John have also been notified.