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6 February 2018, 07:37 | Updated: 6 February 2018, 08:05
Snow and ice are covering big parts of Scotland as freezing weather grips the UK.
Temperatures across the country plummeted once more overnight with northern parts most likely to face disruption on Tuesday morning, the Met Office said.
The wintry conditions are expected to continue into the weekend and there are warnings that Britain could face unusually cold weather for the rest of the month.
Met Office forecaster Alex Burkill said: "There are indications of quite a prolonged cold period."
Snow is set to fall in almost every part of the country in the coming days, with this week predicted to be one of the coldest of the winter so far.
In Scotland, between 1cm and 3cm of snow will fall widely and hilly areas could see up to 5cm, before the weather pushes into northern England and Wales.
Snow and ice warnings have been issued for swathes of the country over the next two days.
It comes after snow showers left between 1cm and 2cm in Kent and Essex on Monday and caused several crashes on the M20.
Mr Burkhill said: "As we go through the next 24 to 48 hours, it's going to stay cold, and we are going to see some snow and pretty much anywhere in the country could see something."
He added: "Across a big chunk of Scotland and Northern Ireland, where we have had snow overnight, that's likely to then lead to some ice in time for morning rush hour tomorrow.
"Across northern parts of England and Wales we are likely to have some snow falling during morning rush hour, so that's likely to cause some difficult driving conditions and there could also be some icy patches too."
British Airways said 70 short-haul flights to and from London's Heathrow airport did not operate on Monday due to the weather and a further 10 have been cancelled on Tuesday.
Temperatures will dip further on Tuesday night - and could sink as low as -11C in parts of Scotland and northern England.
Another band of snow, sleet and rain would sweep across the country from Wednesday to Thursday and bring a "milder blip" in the weather, Mr Burkill said.
But he added: "The cold weather is likely to return as we go towards the weekend.
"Really much of February and perhaps even into March it is going to stay on the cold side, so temperatures generally below average, with further frosts and also the risk of rain, sleet and snow as well."