Media playback is unsupported on your device

US and Canada braced for more snow storms

6 January 2014 Last updated at 05:23 GMT

Parts of the north-eastern United States and Canada are bracing themselves for more heavy snow and freezing temperatures, as a "polar vortex" envelops half of the continent.

Forecasters are predicting that parts of the Mid-West could see record-low temperatures in the coming days.

Wendy Urquhart reports.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.