The BC Highway Patrol says an object that smashed through a driver's window on Highway 1 on Thursday, leaving them in critical condition, is believed to be a large rock the size of a volleyball.

Police said it appears the rock came off another vehicle and was not dropped from an overpass

As Global's Aaron McArthur reports, we're also hearing from another driver who says she narrowly escaped injury on the same stretch of road last month.

For more info, please go to https://globalnews.ca/news/10552679/h...

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