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
London Waterloo station was demolished and replaced with a dedicated building in 1902, as part of the reconstruction of Waterloo in the early 20th century. Traffic and passengers to Waterloo increased throughout the century, and Waterloo was extended in an ad-hoc manner to accommodate this. In 1860, new platforms were added on the northwest side of the station; these were known as the Windsor Station after its intended destination. An additional dock siding of the main station opened on 17 March 1869. A link to the South Eastern Railway (SER) line from to opened in July 1865. It was diverted from London Bridge