Further heavy snow has hit parts of the UK, causing school closures and travel disruption. BBC News website readers have been sending us their pictures. Dafydd Gates in Corlannau, Gwynedd sent in this photo of some "sorry-looking sheep" near his home.

Stephen O'Malley: "It has been snowing all morning continuously and heavily here in Alnwick."

Rebecca Wilkinson took this photo whilst walking her dogs in Walters Wood, Ouston, Co Durham.

Up to 15cm (6in) settled in northern Scotland. This is Aboyne, Aberdeenshire. Photo: Christopher Keith

Northern and eastern parts of the UK are expected to bear the brunt of the wintry conditions. This is the scene in Durham on Thursday. Photo: Andrew Stevenson

Becky Perry: "This is the snow from my front garden in Strathdon, Aberdeenshire."

Beth Thatcher: "A view of Guisborough Hills covered in snow."

Ella Quinn: "My eight-month-old daughter Rosemary is completely bemused by the 2 and a bit inches of snow that has fallen overnight here in Newcastle."

Residents of Castleton in North Yorkshire woke up to a very snowy scene. Photo: Chris Millns

The prospect of continued snow has sparked a surge in rock salt sales of 1,600%, according to DIY chain B&Q. Photo: Craig Huckins

Wellington boots were also flying off the shelves, B&Q said. Photo: Di Wright

This is the scene in Dipton Stanley, near Newcastle. Photo: Andrew Miller

Ieuan Jenkins: "Snow fell in Durham overnight. This was the view from the Castle this morning."

Nick Fletcher: "Snow scenes in Norton, North Yorkshire."

Rebecca Heron took a walk around York University to snap some photos of the snow.