Ricin immunogenic in mice, rabbits, and humans. It has completed two successful clinical trials. Ricin has been involved in a number of incidents. In 1978, the Bulgarian dissident Georgi Markov was assassinated by Bulgarian secret police who surreptitiously shot him on a London street with a modified umbrella using compressed gas to fire a tiny pellet contaminated with ricin into his leg. He died in a hospital a few days later and his body was passed to a special poison branch of the British Ministry of Defence (MOD) that discovered the pellet during an autopsy. The prime suspects were the Bulgarian
1884 attack on London Bridge 1884 attack on London Bridge On 13 December 1884, three American-Irish Republicans carried out a dynamite attack on London Bridge as part of the Fenian dynamite campaign. The bomb went off prematurely while the three men were in a boat attaching it to a bridge pier at 5.45 pm during the evening rush hour. There was little damage to the bridge, and no casualties other than the bombers. The men's boat was so completely destroyed the police initially thought the bombers had fled. "The Illustrated London News" on 20 December 1884 featured a cover illustration depicting the flash of the