Police are currently at the scene of a serious crash on the Southern Motorway near Auckland, which has left one person in a critical condition.
Emergency services were called to the incident, which involved a motorcycle, at 7:19pm.
"The motorcyclist has been take to hospital with critical injuries," said a police spokesperson.
The southbound lanes of the motorway are closed at Takanini to Papakura.
The Serious Crash Unit has been advised.
"We would like to thank motorists for their patience in advance," added the spokesperson.