Bulgarian umbrella Bulgarian umbrella A Bulgarian umbrella is an umbrella with a hidden pneumatic mechanism which injects a small poisonous pellet containing ricin. It has a hollowed stalk into which the pellet neatly sits. Such an umbrella was allegedly used in and named for the assassination of the Bulgarian dissident writer Georgi Markov on 7 September 1978 (the birthday of the Bulgarian State Council chairman Todor Zhivkov, who had often been the target of Georgi Markov's criticism) on Waterloo Bridge in London. Markov died three days later. It was also allegedly used in the failed assassination attempt against the Bulgarian dissident journalist
Sackville Street, London Sackville Street, London Sackville Street is a street in central London which today is mainly composed of offices and the rears of retail premises, but once was the home to several important medical figures. The street runs between Vigo Street in the north and Piccadilly in the south. It has no other exits. The land on which Sackville Street stands, like Albany and Burlington House, was formerly known as Stone Conduit Close. It was bounded on one side by Penniless Bank and on the other by Swallow Close. It passed into Crown ownership in 1536 and formerly belonged to the