The very low overnight temperatures have continued across much of the UK, with minimum values well below freezing on Christmas morning. Temperatures have generally fallen to the range of -5C to -15C. The lowest temperature overnight was Altnaharra in the Highlands with -18.2 C, followed by Castlederg in County Tyrone with -17.1 C.

Elsewhere, Pershore in Worcestershire fell to -16.8 C and Sennybridge in Powys dropped to -13.4 C.

Merry Christmas from us all at the Met Office.