Two people were killed and three others injured following a head-on collision on the N2 near Butterworth on Saturday.
Provincial Traffic Spokesperson Unathi Binqose says a Toyota Corolla with four occupants travelling from Idutywa collided with a Nissan truck, travelling from the Butterworth direction.
He says two passengers from the Corolla, a man and a woman, were declared dead on the scene.
A case of culpable homicide is under investigation.
Binqose says the truck driver and his passenger, including two occupants of the Corolla, were transported to the Butterworth Provincial Hospital for treatment.
The names of the deceased are not yet known but the Nissan was registered in Gauteng.
Msobomvu SAPS has taken over the investigation.