Teenager tells court how he saw friend cutting off musician’s legs

An accused double killer told a court he was sickened by the sight of an associate dismembering a talented jazz musician with a Zombie knife. William ‘Blaise’ Algar, 53, allowed his tiny cluttered flat in Barnes, southwest London, to be used by drug dealers – and paid with his life, the Old Bailey has heard. He was stabbed to death by a 19-year-old in a row which began after he blamed the teenager for the disappearance of his cat, the…