In pictures: Snowy scenes across the UK

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Image caption Cumbria's gritters were brought into action on Tuesday - among them the recently named Spready Mercury and Gritty Gritty Bang Bang.
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Image caption Roads and schools were closed across the county with drivers delayed on the A6 near the village of Shap.
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Image caption Lorries and vans struggled in the snow, with Highways England seen here pulling a van out of a ditch.
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Image caption But the snow was not enough to put off the driver of this three-wheeled Reliant car from venturing out in Shap.
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Image caption Further south, the countryside near Thwaite in North Yorkshire looked picture-perfect with its dusting of snow.
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Image caption There was also a snowy scene at Britain's highest pub, the Tan Hill Inn in the Yorkshire Dales.
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Image caption The 17th Century pub, which is 1,732 feet (528m) above sea level, has been snowed in more than 50 times.
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Image caption Appropriate clothing was required to walk in the snow on Tan Hill.
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Image caption In the Peak District, a man throws grit on to a road on Mam Tor, known as Shivering Mountain.
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Image caption BBC Weather Watcher Graham captured this image of the city of Stirling in central Scotland on Tuesday morning.
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Image caption The snow failed to dampen spirits at the Up Helly Aa Viking Festival in Lerwick on the Shetland islands.
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Image caption Originating in the 1880s, the festival celebrates the islands' Norse heritage.