More than 200 million Americans are bracing for a potentially catastrophic winter storm, with heavy snow and freezing rain forecast
The National Weather Service (NWS) warns of sub-zero temperatures and wind chills, which "pose a life-threatening risk of hypothermia and frostbite to exposed skin"
Ten thousand flights have been cancelled across the country and more than 84,000 power outages have been reported
In the northeast, Washington DC, Philadelphia, New York and Boston could see heavy snowfall and travel disruption with as much as 12in (30cm) along the I-95 highway connecting those cities
New York City Mayor Zohran Mamdani warns residents to stay indoors as "whiteout or near blizzard conditions" are expected
Heavy snow and ice to impact millions as winter storm sweeps across US
