Snow and ice hit US and Canada
23 December 2013 Last updated at 05:37 GMT
Snow and ice have affected parts of the US and across much of eastern Canada, cutting power to hundreds of thousands of home.
Toronto's Mayor Rob Ford is calling it one of the worst storms in the city's history, wreaking havoc on festive holiday plans.
In the US, heavy snow resulted in hundreds of flights being cancelled.
Laura Westbrook reports.