Drivers are urged to find alternate routes after a serious multi-vehicle collision has closed the northbound lanes of Highway 406 in Thorold.

In a post just before 7:30 a.m., Ontario Provincial Police said the highway is closed between Beaverdams Road and St. Davids Road.

OPP said the highway is expected to remain closed for several hours.

More information will be released once it becomes available, OPP said.

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