A bomb cyclone has swept through the United States, leaving 200 million Americans shivering in bone-chilling temperatures in what will be the coldest Christmas Eve on record for many cities
Whiteout conditions across the Midwest in particular have left hundreds trapped in their cars overnight and travel bans are in place in New York
Around two million people are without power, with North Carolina, Tennessee and Maine suffering the most outages
In a statement, FedEx warned promised delivery dates may not be met due to the extreme weather conditions
More than 10,000 flights have been canceled or delayed worldwide as Americans desperately try to make it home in time for Christmas
