OPP have identified the man who was killed in a crash on Highway 6 just south of Arthur on Friday afternoon.
They say that 66-year-old Robert William Crosby died after several vehicles collided in whiteout conditions, with four others being taken to hospital with non-life threatening injuries.
OPP are now looking to speak with the driver of a white cube van that was travelling through the area at the time. The van may have frontend damage.
Anyone who has information or witnessed the event is asked to contact Wellington County OPP at 1-888-310-1122.