Germany’s Olympic luge champion Felix Loch has expressed his shock and appealed for peace after a visit to the Ukrainian border. “I will never forget what we have seen and experienced in the last few hours,” Loch wrote on social media. “It just changes everything! This war must stop! All wars must stop!!!” Together with his wife Lisa, the 32-year-old drove to the Ukrainian border in Poland with 16 helpers in eight buses as part of the ‘Athletes for Ukraine’ campaign. Three vehicles came from the German Ski Association, two from the Bobsleigh and Sledding Federation and other club buses from th…