Temperatures plunged to below minus 22C overnight, the lowest in the UK in more than two decades, following an “extreme freeze”. The mercury dropped to minus 22.9C (minus 9.2F) in Braemar, Aberdeenshire, the coldest temperature recorded in the UK since 1995, the Met Office said. Forecasters said the last time a temperature below minus 20C was recorded in the UK was December 23 2010. Scattered [...]