Two riders being transported to hospital. It is not clear at this time the extent of their injuries.
The A686 is currently closed a Melmerby and Alston and motorists are advised to avoid the area and use alternative routes.
More top news
Members of Unite are campaigning to have a full-time union convenor at the site.
A look ahead at the forecast for the Border region.
The company operating the Borders Railway are warning there will be disruption to services when the Queen attends the official opening.