Snow ploughs have their work cut out as Snowstorm Nemo continues to batter the U.S. Northeast.<br/> <br />The storm dumped heavy snow from Michigan to Vermont on Friday before covering Canadian provinces.<br/> <br />Blizzard conditions prompted five U.S. governors to declare a state of emergency in affected areas.<br/> <br />Some even banned driving as roads became more treacherous.<br/> <br />The conditions have caused many travellers to become stuck at airports.<br/> <br />At New York's Laguardia Airport, staff set up temporary beds after thousands of flights were cancelled.<br/> <br />Forecasters predict some cities, including Boston, could be in for to two feet of snow and 60-mile-an-hour winds.
