A ski gondola came loose and tumbled down Mt Titlis at the Engelberg resort in central Switzerland on Wednesday, killing a 61-year-old local woman.Police in the canton of Nidwalden say the cabin detached from its cable around 11:00 (10:00 GMT) as it climbed the middle section after leaving Trübsee station.Dramatic footage from the scene shows the gondola flipping several times before coming to...