Hundreds of motorists sweated in the huge traffic jam and many sat out on the barriers and bankings as temperatures soared to 80 degrees
There was just one almight bang and I knew there had been a crash. There was no sound of brakes or tyres screetching at all.
Police, ambulance staff, doctors and firefighters worked at the scene for more than two hours.
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Warnings in place for heavy rain Saturday afternoon & evening. Brighter spells and showers follow into Sunday
A look ahead at the weekend forecast for the Border region.
A number of new and ongoing road improvements are planned for Monday 24 July to Sunday 30 July across the region.