There has been a fatal crash involving a truck and a car on State Highway 1, Manakau, near Kuku Beach Rd.
NZ Transport Agency has confirmed in a statement the crash was fatal.
St John told 1 NEWS seven people have been injured, six with minor injuries and one with moderate injuries.
The trucking company involved in the incident said in a Facebook post the driver is not injured.
"Initial information from the scene is that our driver has swerved to avoid a car that has crossed the centreline and in doing so has gone over the bank and crashed into a cemetery," the post on Hilton Haulage's page said.
Police were notified of the crash at 1.55pm.
State Highway 1 is now open again under stop/go management and there are significant delays.
An image supplied to 1 NEWS shows a large haulage truck upside down in a cemetery after the crash.
Motorists are urged to avoid the area. Work is underway to restore downed power lines.
The serious crash unit has been notified.
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