2 men killed in Hwy. 400 crash near Major Mackenzie; northbound lanes closed until noon CTV NewsNorthbound Hwy. 400 closed at Major Mackenzie after fatal two-vehicle crash CP24Deadly 2-vehicle collision shuts down Hwy. 400 in Vaughan CityNews TorontoCLOSURE: All northbound lanes of Highway 400 closed in Ontario INsaugaTwo dead after crash on Hwy 400 in Vaughan: OPP CBC
