Serious crash in Marlborough
State Highway 1 at Redwood Pass, Marlborough, is blocked following a crash between a car and a truck.
Emergency services were notified just after 10:30am.
One person is understood to be seriously injured, and a helicopter has been called.
The Serious Crash Unit has been advised.
Motorists are asked to use alternative routes as the road is likely to remain closed for several hours.
ENDS