Crash investigators are at the scene and Dumfries and Galloway Police estimate that the road will remain closed until after midday while they attempt to determine exactly what caused the collision.
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A look ahead at the forecast for the Border region.
Mr Justice Green sentenced three men to a total of more than 50 years in prison, for the "evil" killing of 14-year-old Jordan Watson.
Video interviews police conducted with the three men who killed Carlisle schoolboy Jordan Watson have been released.