Who was the Bulgarian dissident poisoned with ricin when jabbed in the leg with an umbrella on Waterloo Bridge, London, on 7 September 1978?
Bulgarian umbrella stabbing Georgi Markov Umbrella Murder Georgi Ivanov Markov
umbrella murder bulgarian umbrella stabbing georgi ivanov markov georgi markov
georgi markov
WikipediaEntity
Georgi Markov