"Pictured: The killer swan, named by locals ""Mr Nasty"" in the pond by Pembroke Castle, west Wales, UK. Sunday 08 July 2018<br /> Re: A vicious killer swan is prowling around Pembroke, determined to see off any threat to his territory by ruthlessly drowning his victims.<br /> So far, he has killed 10 other swans, though many more have been saved from his attacks.<br /> Dubbed by locals ""Mr Nasty""  lives on the Castle Pond by Pembroke Castle. <br /> Bird sanctuary worker Maria Evans says she has watched him at work, drowning other swans, breaking their feet or pushing them over a sluice.<br /> In 2010, another killer swan dubbed ""Hannibal"" had his wings clipped after attacking other swans in the same pond."
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