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;
London Waterloo station began to look for a terminus closer to Central London and the West End. An Act of Parliament was granted in 1845 to extend the line towards a site on York Road, close to Waterloo Bridge. The extension past Nine Elms involved demolishing 700 houses, and most of it was carried on a brick viaduct to minimise disruption. The longest bridge was long and took the line over Westminster Bridge Road. The approach to the new station carried four tracks, with the expectation that other companies would use it. The station was designed by William Tite and opened on 11