Medieval-style executions & gangs who cut out hearts... inside world's 'murder capital' after Brit lynched in street / Brella murder: Four UK cops handed disciplinary notice / Police hunt for man in connection with London murder - and urge public to not approach / 'Infuriated over being frisked': Cops charge 3 with murder of constable / Major update on 'violent' deaths of British couple as French cops can't rule out killer on loose / Citibank executive 'bludgeoned to death' in London flat as police hunt killer / Thames homicide: Neighbours say foul language, threats heard before man's death / London police charge man with attempted murder of 11-year-old girl in Leicester Square / U.K. stabbings: Violent protesters attack police as town mourns 3 dead girls / Horror as four stabbed in London bloodbath with police launching massive manhunt