UK records coldest January night in 15 years as temperatures plummet to -18.7C - Altnaharra, a hamlet in the most northern region of the Highlands, had reached the temperature before 9pm on Friday

The UK has recorded its coldest January night in 15 years as more freezing temperatures are expected to roll in over the coming days. In Altnaharra, a hamlet in Sutherland, the most northern region of the Highlands,

It is the coldest January overnight temperature since 2010, when temperatures dropped below minus 15C several times at locations across the UK

Overnight temperatures fell as low as minus 14C in Altanharra, northern Scotland, according to the Met Office.