A crash on the motorway between Johnsonville and Newlands has left two people in a serious condition.
Both the north and south lane of State Highway 1 is blocked as emergency services attend the crash that involved two cars about 10.40pm, police central communications acting shift commander Sergeant Mark Oliver said.
A tanker truck behind the cars was also blocking the way, and traffic was being diverted through Johnsonville, he said.
An ambulance spokeswoman believed one car had spun out and two patients were in a serious condition.
- The Dominion Post
Did the Key v Cunliffe debate change your vote?Related story: Support slips for National and John Key