Temperatures plunged below -10 degrees Celsius (14F) in parts of the UK overnight, amid warnings of snow, ice and travel disruption. Planes were grounded at Manchester Airport and areas, including Suffolk and the Scottish Highlands, recorded their coldest night of the year so far. Report by Wardl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn