Ricin the attack on Georgi Markov another Bulgarian defector, Vladimir Kostov, survived a similar attack. Kostov was standing on an escalator of the Paris metro when he felt a sting in his lower back above the belt of his trousers. He developed a fever, but recovered. After Markov's death the wound on Kostov's back was examined and a ricin-laced pellet identical to the one used against Markov was removed. Several terrorists and terrorist groups have experimented with ricin and caused several incidents of the poisons being mailed to U.S. politicians. For example, on May 29, 2013 two anonymous letters sent to
Wood Green ricin plot There was no UK poison cell linked to al Qaida or Muhamad al Zarqawi. There was no ricin with which to poison London, only notes and 22 castor seeds . There was no one who even knew how to purify ricin. On 17 August 2006, Craig Murray summed up on "CounterPunch": I spoke at the annual Stop the War conference a couple of months ago [and] referred to the famous ricin plot... It was alleged that a flat in North London inhabited by Muslims was a "Ricin" factory, manufacturing the deadly toxin which could kill "hundreds of thousands of people".