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.
More top news
Peter MacMahon on the launch of the SNP manifesto.
A look ahead at the forecast for the Border region.
Cumbria Tourism plans to make the region the Adventure Capital of the UK by 2018. So what does this mean for business in the area?