A joint operation to search vehicles on the Scottish/English border is being carried out by police from north of England and southern Scotland forces.
It is hoped that the operation will help identify motorists carrying out offences such as speeding, drink and drug driving, driving without a seatbelt and driving without a valid licence.
The activity is part of an ongoing initiative by Lothian and Borders Police to try and deter criminal activity on the routes between both countries.
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Three girls have been hurt after a stone was thrown through the window of the school bus they were travelling on in Carlisle.
Drivers are being urged to take extreme caution when driving this morning, as heavy snow covers routes across the ITV Border region.
The Met Office has issued a new amber weather warning for snow for the south of Scotland, and a yellow warning for parts of Cumbria.