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:Lightning in Miami: Frightening photos show intense storm above FloridaCalf born with TWO FACES beats previous record holder to survive with her conditionStag in the sky? Remarkable cloud looks just like cantering animalCalf born with TWO FACES beats previous record holder to survive with her conditionStag in the sky? Remarkable cloud looks just like cantering animal