Tragedy as sledge dog is attacked and killed by polar bear Nature ADORABLE footage of a huge polar bear gently stroking a dog has had a tragic ending. Share: Email ThisBlogThis!Share to XShare to Facebook Related Posts:WARNING for bird lovers over putting out food near predator nests in breeding seasonWARNING for bird lovers over putting out food near predator nests in breeding seasonNature shock as chimpanzees branded 'SELFISH creatures who act in their own interests'Nature shock as chimpanzees branded 'SELFISH creatures who act in their own interests'WARNING for bird lovers over putting out food near predator nests in breeding season