Police say a seven-year-old boy has died after the vehicle he was travelling in was rear-ended on Highway 401.
The accident happened on new Year's Day at about 5 p.m. near Dixie Road.
The seven-year-old child - who was one of four children and two adults in the van that was struck - was without any vital signs when rushed to hospital, according to emergency medical personnel.
All of the other family members were taken to hospital as a precaution.
Police say the driver of the vehicle that drove into the family van fled the scene.