yea,, i heard a story in the himalaya's .. when a group of witches and wizards went on hicking trip, that they where attacked by 3 Yeti's ( a mother and her two sons).. the wizards got injured but they were able to overcome the yeti's when the preformed the freezing charm on them, but the two muggles with them were deeply injured they took them to the magical hospital in the himalaya but then they had to modify their memory.