One person is in critical condition following a crash with a tree.
Emergency services are responding to a serious crash on Waterworks Road in Te Miro, in the Waikato.
Police were notified of a crash involving a single vehicle that had collided with a tree just after 6.30pm, says a police spokesperson.
"The sole occupant has been transported to hospital via helicopter with critical injuries.
"The road is closed and diversions are in place at Chepmell Road and Te Miro Road.
"The Serious Crash Unit have been advised and will be attending the scene."