A walker (m, 40) slipped on ice and heard a snap from his right ankle, just below the summit of Pen y ghent, on the path towards Hull Pot. CRO members responded, but as many of the team’s most active members were just beginning a day’s casualty care training, over at Upper Wharfedale Fell Rescue Association’s base in Grassington, a small group also set off from there, in an UWFRA…