Pair rescued after being trapped in disused mine near Barnard Castle

Two men have been rescued unharmed after they became trapped half a mile underground in a disused mine near Barnard Castle (County Durham and Darlington Fire and Rescue Service/PA)
Two men have been rescued unharmed after they became trapped half a mile underground in a disused mine near Barnard Castle (County Durham and Darlington Fire and Rescue Service/PA)