WILLOW GROVE, HALDIMAND COUNTY, Ont. - A provincial police officer and another driver are in hospital following a collision on Highway 6 south of Hamilton.

Police say a van and a provincial police cruiser collided this morning near the community of Willow Grove.

An officer was transported to hospital with serious injuries.

The driver of the van is in hospital in critical condition.

The province's Special Investigations Unit has been notified and is looking into the incident.

The SIU is an arm's-length agency that investigates reports involving police where there has been death, serious injury or allegations of sexual assault.