'These are the worst driving conditions imaginable': Deadly snow and ice spark festive travel chaos as 18million motorists hit road

Daily Mail
# Roads 'treacherous', airports shut and trains cancelled as snow returns
# Devon and Cornwall blanketed in four inches of snow
# 17-year-old killed in Kent after car landed on roof in ditch
# Up to 10 inches of snow expected over the weekend
# Temperatures of -12c predicted as freeze tightens grip
# Almost 1,000 firms could go bust if weather wipes out weekend shopping
# Odds on a white Christmas cut to 6/4 in London