One man is dead and three people are in critical condition following a crash north of Toronto Friday afternoon.

An SUV and a cement truck collided on Tottenham Road near 3rd Line in the New Tecumseth community of Tottenham, Ont. shortly after noon.

It is believed the northbound SUV may have slowed to make a left-hand turn into produce stand. Then a cement truck, which was travelling in the same direction, slammed into the rear of the vehicle.

Police say a six-year-old child was brought via air ambulance to The Hospital for Sick Children in Toronto with a serious head injury. Two adult victims, the 50-year-old woman who was driving, and another passenger who is six months pregnant, have also been transported to hospital in Toronto.

Provincial police said the man was pronounced dead after being transported to a hospital in Alliston, Ont.

All four people that were injured were occupants of the SUV.

Police continue to investigate.

With a report by CTV Toronto’s John Musselman