Temperatures fell to a low of -10C and there was a widespread heavy frost across the country.
The coldest spot in the UK last night was Tulloch Bridge in the Highlands, where the thermometer could only creep up to minus 10.2C (13F) .
Early morning flights between Scotland and London have been cancelled as ice and thick fog descended on the UK overnight.
Temperatures fell to a low of -10C and there was a widespread heavy frost across the country.
The coldest spot in the UK last night was Tulloch Bridge in the Highlands, where the thermometer could only creep up to minus 10.2C (13F) .
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