A snowstorm is sweeping through north-east United States has affected 14 states and over 60 million people. Few regions in New York and Pennsylvania received snow of up to 2 feet.
The weather department has warned of “dangerous, if not impossible travel conditions and isolated power surges” in the worst-affected areas.
At least two people died in Pennsylvania after a crash involved between 30 to 60 vehicles.
The National Weather Service (NWS) said the storm could dump up to two feet of snow in an area stretching from eastern Pennsylvania to New York’s Catskill Mountains, with a foot or more in the rest of the north-east.
New York Mayor Bill de Blasio warned that the storm could be the biggest the city has seen in years, warning residents to “take this seriously”.
Schools across the city have moved to online learning, outdoor dining has been suspended and ferry routes have stopped.
According to the FlightAware website, more than 1,500 flights have already been cancelled. Some rail services have also been suspended across the north-east.
US Secretary for Transportation Elaine Chao warned those in the path of the storm “to know what’s expected for your area and don’t drive in dangerous conditions”.
Officials have warned that the storm could impact the delivery of the Pfizer-BioNTech vaccine to hospitals.