Todor Zhivkov to 1988, Bulgaria won an unprecedented 153 Olympic medals and numerous European and world competitions in sports as diverse as volleyball, rhythmic gymnastics and wrestling. Dissent was punished under Zhivkov's rule. The CSS was a feared tool of control, and overt opposition largely stayed underground until the late 1980s. In 1978, the Bulgarian dissident Georgi Markov was assassinated in London by an agent who stabbed him with an umbrella tip which implanted a very small ricin ball. According to former KGB general Oleg Kalugin, this was requested by Zhivkov and either performed by the KGB or it assisted the CSS;
Queen Victoria Street, London Queen Victoria Street, London Queen Victoria Street, named after the British monarch who reigned from 1837 to 1901, is a street in London which runs east by north from its junction with New Bridge Street and Victoria Embankment in the Castle Baynard ward of the City of London, along a section that divides the wards of Queenhithe and Bread Street, then lastly through the middle of Cordwainer ward, until it reaches Mansion House Street at Bank junction. Beyond Bank junction, the street continues north-east as Threadneedle Street which joins Bishopsgate. Other streets linked to Queen Victoria Street include Puddle Dock,