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WHITBY, Ont. — A fourth person has died after a massive car crash on a major highway east of Toronto. Police say a 10-year-old boy died in hospital Sunday as a result of injuries from a 20-vehicle collision on Highway 401 in Whitby, Ont., on Friday night. They say a man, woman and another boy died and another four remain in hospital with one in critical condition. Police say the collision occurred when a transport truck driving westbound crashed into slower moving vehicles approaching a construction site, which caused a chain reaction. The driver of the truck wasn't injured. Police say no charges have been laid, but their investigation is ongoing.
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