Waterloo Bridge German bombers during the Second World War. The building contractor was Peter Lind & Company Limited. It is frequently asserted that the work force was largely female and it is sometimes referred to as "the Ladies' Bridge". Georgi Markov, a Bulgarian dissident, was assassinated on Waterloo Bridge on 7 September 1978 by agents of the Bulgarian secret police, the Committee for State Security, possibly assisted by the Soviet security agency, the KGB. Granite stones from the original bridge were subsequently "presented to various parts of the British world to further historic links in the British Commonwealth of Nations". Two of
Ricin is largely restricted to the gastrointestinal tract, where it may cause mucosal injuries. With appropriate treatment, most patients will make a decent recovery. Because the symptoms are caused by failure to make protein, they may take anywhere from hours to days to appear, depending on the route of exposure and the dose. When ingested, gastrointestinal symptoms can manifest within 6 hours; these symptoms do not always become apparent. Within 2 to 5 days of exposure to ricin, effects of ricin on the central nervous system, adrenal glands, kidneys, and liver appear. Ingestion of ricin causes pain, inflammation, and hemorrhage in