A section of State Highway 20 in Auckland is closed this morning after a serious crash injured three people, one critically.
The southbound lanes are closed between the Cavendish Dr on-ramp and the Lambie Dr off-ramp, in Manukau, a police spokeswoman said.
The 5.10am crash involved two cars and one person had been critically injured.
Two other people were also hurt - one seriously, the second moderately, she said.
The Serious Crash Unit was on the way to the scene just after 6am.