An important footbridge for walkers in the Cairngorms has been washed away in the torrential rain and flooding. The footbridge across the Derry Burn at the foot of Glen Derry – an essential link in the most commonly-used route through the famous Lairig Ghru Pass – was lifted from its foundations and swept downstream. This now means that, until the rivers fall back to normal levels, the Lairig Ghru is impassable by the main Luibeg branch of the track. The Mountaineering Council of Scotland has warned that for the foreseeable future anyone considering using this route should assess the situation…