US and Canada snowstorm causes travel chaos
Some people in New York were in good spirits about the snowfall
A winter storm has wreaked travel chaos in the north-eastern US, bringing up to two feet (60cm) of snow to some places.
More than 4,000 flights were cancelled as the storm blanketed the US and Canada on Thursday and Friday.
New York's JFK airport was closed for morning snow removal and all the city's public schools are shut. New York and New Jersey have states of emergency.
Wind-chill temperature was expected to be as low as -25C (-13F) in New York, with many road conditions treacherous.
Forecasters warned that wind gusts of up to 30mph could cause frostbite in about 30 minutes.
Coastal warningsNew York City Mayor Bill de Blasio, who was sworn into office on 1 January, said most of the city's main roads had been cleared of snow thanks to an "extraordinary job" by the city's sanitation workers.
"We can help them by getting out of their way," he said late on Friday morning. "If you do not need to travel today, please stay home."
Some commuter trains around New York City were on a reduced schedule, while some key roads were shut at least temporarily.
In the neighbouring states of Connecticut, Massachusetts and New Jersey, non-essential state workers were ordered to remain at home.
Ploughs have been out more than once, New York officials said 
Waiting for a bus in Queens, New York 
Temperatures are bitterly cold in New York City Even as the snow slowed in the eastern US, a coastal flooding alert was in effect for Nantucket in southern Massachusetts through southern Maine, especially for high tide at 12:00 local (17:00 GMT).
While Boston's Logan airport remained open, only two of its six runways were operating, the Boston Globe reported. The New York to Boston Amtrak passenger rail service was on a reduced schedule.
Crushed by salt
Better weather is expected on the east coast on Saturday
The New York Times said 6in of snow had fallen on Central Park by 07:00 and the temperature was the same as in Fairbanks, Alaska. Friday is forecast to be bitterly cold across much of the region.
Boston too was badly affected, with schools shut.
A salt storage worker was killed in Philadelphia when a 100-ft (30-metre) pile of road salt fell and crushed him.
A man was reported to be in critical condition after being pulled from Lake Michigan by firefighters.
New York Mayor de Blasio: "If you don't need to travel today, please stay home"
In Canada, parts of Newfoundland and Labrador are expected to see up to 40cm (16in) of snow on Friday, while Nova Scotia is forecast to see as much as 20cm (8in).
The eastern half of the country has been plunged into bitterly cold temperatures over the past several days, making it feel as low as -35C (-31F) with wind chill in the Atlantic Provinces.
David Phillips, a senior climatologist with Environment Canada, told the BBC the temperature in Toronto on Friday morning, -24C, was the coldest the city had seen in nine years. On Thursday, Montreal and Quebec City saw their coldest temperatures in 10 and 21 years respectively.
The storm's path over 24 hours
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