Committee for State Security State Security played an active part in the so-called "Revival Process" to Bulgarianize the Bulgarian Turks in the 1980s, as well as writer and dissident Georgi Markov's 1978 murder on Waterloo Bridge in London known for the "Bulgarian umbrella" that was used. An issue the international community often raises is State Security's alleged control of the weapons, drugs, alcohol, cigarettes, gold, silver, and antiques traffic through Bulgaria before 1989. It is popularly thought that organised crime in the country in the 1990s was set up by former State Security agents. The agency is often incriminated with the ill-famed murder of
London Buses route 7 from Wormwood Scrubs were renumbered 7A. This situation remained until 3 October 1934, when the newly constituted London Passenger Transport Board instituted its own numbering system. Route 7 continued with an extension to Kew Green until 22 August 1946, when the 7A was revived from Acton to London Bridge. Route 7 was withdrawn on 19 August 1958. From 14 October 1959, the old route 7A had its suffix removed, becoming plain 7. The service ran between Acton tram depot and London Bridge station via East Acton, Ladbroke Grove, Paddington station, Edgware Road, Marble Arch, Oxford Street, Holborn station and Bank