North America’s East Coast is shivering in a record-breaking freeze in the wake of a deadly “bomb cyclone” that dumped snow as far south as Florida.
In parts of US and Canada, temperatures were forecast to fall below -20F (-29C), with wind chill making it feel more like -90F (-67C) on Friday night.
In Canada, high winds have knocked out power for tens of thousands of residents in Nova Scotia.
Thousands of snow ploughs are clearing roads across the US East Coast.
The extreme weather has so far been linked to up to 19 deaths in the US and two more in Canada, according to reports.
Four deaths were reported in traffic accidents in North and South Carolina. Further fatalities occurred in Wisconsin, Kentucky and Texas.
Travellers at New York’s JFK airport reported chaos at terminals on Friday and Saturday, and hours-long waits in aircraft stranded waiting for a gate.
One passenger tweeted to say people were calling the police and threatening to break the doors open after hours waiting aboard a flight from Montreal.
