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
Chapel of St Thomas on the Bridge were dismantled, exposing the vaults and columns of the Lower Chapel, an event that was recorded by Edward William Cooke in an engraving published in 1833. Chapel of St Thomas on the Bridge The Chapel of St Thomas on the Bridge was a bridge chapel built near the centre of "Old" London Bridge in the City of London and was completed by 1209. In 1548, during the Reformation, it was dissolved as a place of worship and soon afterwards converted to secular use. The building survived as a dwelling and warehouse until 1747 when the upper storey at street level