A group of retailers have been angered over Carlisle City Council's proposed plans to scrap CCTV in shops from 2014.
Reay Howie, a regional official with the city's branch of 'Retailers Against Crime', says that small shops which cannot afford to pay security guards will suffer most.
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The first of seven races will begin at 5:45pm, and 76 horses are competing. The UK's top female jockey is amongst the competitors.
Thousands of people are expected to flock to Brampton to catch a glimpse of the colourful breed, which is more common in warmer climates.
More than 120 young athletes are taking part in this year's Borders Sport and Leisure Sports Academy.