From tornadoes to blizzards, severe weather batters parts of the US

Tornadoes, thunderstorms and blizzard conditions are forecast to pummel parts of the eastern US. More than 34 million people were under tornado watches from Florida to New Jersey. Nearly 3ft (0.9m) of snow has fallen in Minnesota, Wisconsin and northern Michigan since the storm began this weekend, according to the National Weather Service (NWS). The bulk of the storm is expected to churn off the east coast into the Atlantic by Tuesday, with abnormally cold weather to follow in its wake. Over 11 million people are under blizzard warnings, and another four million are under winter storm warnings, according to the BBC's US partner CBS. By Monday evening, nearly 4,600 flights had been cancelled and almost 11,300 delayed, according to flightaware.com. The bulk of the flight cancellations and delays were at Chicago's O'Hare International airport and LaGuardia in New York. More than 406,000 customers were without power, a third of them in Michigan, followed by Virginia and North Carolina. In Minnesota, over 25in (63.5cm) of snow fell in parts of the state by Monday morning. More snow and strong winds were forecast. "Whiteout conditions are expected and will make travel treacherous and pot