Via AFP:
United States authorities warned residents to stay indoors and stock up on food after a fierce winter storm killed at least 11 people, with forecasters saying Saturday that the Arctic blast could hit record lows.
A state of emergency was declared in New York and New Jersey after heavy snow fell on Thursday and there was no sign of respite from the brutal chill that has struck since the start of the year in parts of the northeast US and Canada.
One of the coldest Arctic outbreaks in the past two decades is now set to plunge the Midwest close to record lows, weather forecasters said, pre...