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
Commercial Street, London Ibis London City budget hotel (opened 2005), and beyond that, at the junction with Whitechapel High Street, the Relay Building, a 21-storey residential development (completed 2014). On the eastern side of Commercial Street stands Toynbee Hall, the university settlement founded in 1884. The nearest London Underground station is Aldgate East, at Commercial Street's southern end. Shoreditch High Street London Overground station is close to the northern end, by the former Bishopsgate Goods Yard. London Liverpool Street is a National Rail and London Underground interchange, a short walk to the west. Commercial Street, London Commercial Street is an arterial road in