Source: New Zealand Police
Motorists are being advised to expect delays following a serious crash on the Waikato Expressway.
Emergency services are responding to a single vehicle crash on State Highway 1, Mercer, which was reported to Police just before 2pm.
Early indications suggest one person has received serious injuries and three others have sustained minor to moderate injuries.
Two northbound lanes are currently blocked and one remains open.
Motorists are advised to avoid the area or expect delays.
The Serious Crash Unit has been notified.
ENDS.
Holly McKay/NZ Police