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
Waterloo Bridge as the South Bank, which includes the Royal Festival Hall, Waterloo station, Queen Elizabeth Hall and the Royal National Theatre, as well as the BFI Southbank, which is directly beneath the bridge. The north end of the bridge passes above the Victoria Embankment where the road joins the Strand and Aldwych alongside Somerset House. This end housed the southern portal of the Kingsway Tramway Subway until the late 1950s. The entire bridge was given Grade II* listed structure protection in 1981. The nearest London Underground station is Waterloo, the nearest National Rail station is London Waterloo. Waterloo Bridge Waterloo Bridge