Person critically injured, road closed after car and truck crash in Waikato's Ngaruawahia

A person has been critically injured in a crash in the Waikato.

Great South Rd in Ngaruawahia has been closed after a car was in a collision with a small truck.

The crash happened about 3pm and a diversion was being put in place.

Police asked motorists and pedestrians to avoid the area if possible.