Schools across the UK have been closed on their first day back from the Christmas break as Britain is hit with heavy snow.
Yellow and amber warnings have been put in place across Britain between January 5 and 6, with up to 12 inches of snow potentially falling.
It has left roads already "impassable", and led to schools in Scotland, Wales, Northern Ireland and Devon shutting their doors.
Some schools will open, though not until later in the morning in the hope that the icy and treacherous conditions have thawed enough to travel.
The Shetland Isles Council in Scotland confirmed that schools would be closed today, while a spokesman for Aberdeen City Council said schools will not open until 11am on Monday and breakfast clubs will not run.
"Further updates for each school will be provided by headteachers tomorrow morning once they have assessed individual local circumstances," they added.
Hundreds of schools across Wales are keeping their doors shut on Monday, as snow batters the country.
49 schools across Northern Ireland are also set to remain closed, while one Devon school will not open its doors, with a further two opening at the later time of 10am.
Yellow and amber warnings have been put in place across Britain between January 5 and 6, with up to 12 inches of snow potentially falling
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Children in Staffordshire will also be rejoicing, as 16 schools have confirmed they will be closed for the day.
The chaos comes as the Met Office issued a string of yellow and amber warnings across the British Isles, stating: "Heavy snow showers becoming more frequent which will lead to some travel disruption on Sunday night and Monday morning."
The service added that there is a "good chance that some rural communities could become cut off" and that power cuts are "likely".
"The areas and period covered by this warning are when the heaviest and most disruptive snow is thought most likely during the current cold spell, with existing yellow warnings covering a wider area and a longer period," the Met Office said.
Aberdeen has been hit with heavy snow causing dozens of schools to close for the day
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Northern Ireland also saw inches of snow over the weekend
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It is possible that flights could be cancelled, and that mobile phone coverage could be affected.
ScotRail warned of disruption on routes around Aberdeen and Inverness for much of today.
Met Office Chief Meteorologist Matthew Lehnert said: "As we begin the first full working week of the year, we face a range of winter weather hazards with snow showers and ice.
"In the north of Scotland, snow showers are expected to become more frequent on Sunday night with some locations within the Amber warning areas seeing a further 20-30 cm accumulate by Monday morning.
Parts of the UK saw snow fall overnight, leaving treacherous travelling conditions in the early morning
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"Elsewhere in the UK, snow showers, ice and frost are expected at times, but milder air will make attempts to spread eastward from Tuesday.
"This will mean rain becomes more likely in the south, but there is also the possibility of more organised snow along the boundary of the mild and cold air masses.
"Strong winds could also be a feature later in the week."
For yellow warnings, the Met Office advise residents to check the details of the forecast and consider taking steps to minimise impacts for you and your household, and will see disruption to a greater or lesser extent.
Meanwhile, for amber warnings, disruptions are more likely and more widespread.
They also warn locals to change plans that could be impacted by the weather and take action to protect themselves and their property.
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