US temperatures set to plummet to record lows
Parts of America and Canada are experiencing near record-breaking low temperatures from a severe winter storm that has claimed at least 16 lives.
What is the 'Polar Vortex' affecting the United States?
The US National Weather Service has produced a graphic explaining the 'polar vortex' which has brought record low temperatures to many parts of the United States.
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Will we get America's Big Freeze and snow?
As much of the US experiences a dangerous and severe cold spell, does the UK have anything to worry about?
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Boiling water trick shows how cold it is in America
As the US battles sub-zero temperatures, ITV News Washington correspondent Robert Moore illustrates just how cold it is in Minnesota.
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'Polar vortex' due to hit midwest America
Leaders across America are urging residents to stay in their homes as "polar vortex" batters the east coast after snowstorm Hercules.