People across the northeastern United States had to dig their way out of a heavy snowfall that grounded flights, closed schools and government offices, caused at least three deaths and left the region in the grip of dangerously low temperatures.
Boston was hard-hit by the first major winter storm of 2014, getting nearly 18 inches (45 cm) of snow, while some towns north of New England's largest city saw close to 2 feet (60 cm) of accumulation.
Major cities from Washington, D.C., to Portland, Maine, were slammed, with New York's Manhattan island getting 6 inches (15 cm) of snow and parts of the borough of Queens seeing more than 10 inches (26 cm) of fresh powder.
As much of the US experiences a dangerous and severe cold spell, does the UK have anything to worry about?
As the US battles sub-zero temperatures, ITV News Washington correspondent Robert Moore illustrates just how cold it is in Minnesota.
Leaders across America are urging residents to stay in their homes as "polar vortex" batters the east coast after snowstorm Hercules.