Ricin secret police: Georgi Markov had defected from Bulgaria some years previously and had subsequently written books and made radio broadcasts that were highly critical of the Bulgarian communist regime. However, it was believed at the time that Bulgaria would not have been able to produce the pellet, and it was also believed that the KGB had supplied it. The KGB denied any involvement, although high-profile KGB defectors Oleg Kalugin and Oleg Gordievsky have since confirmed the KGB's involvement. Earlier, Soviet dissident Aleksandr Solzhenitsyn also suffered (but survived) ricin-like symptoms after an encounter in 1971 with KGB agents. Ten days before
Waterloo Road, London The road is designated as the A301, which continues across Waterloo Bridge. Waterloo Road, London Waterloo Road is the main road in the Waterloo district of London, England straddling the boroughs of Lambeth and Southwark. It runs between Westminster Bridge Road close to St George's Circus at the south-east end and Waterloo Bridge across the River Thames towards London's West End district at the north-west end. At the northern end near the river are the Queen Elizabeth Hall and the Hayward Gallery to the west, the National Film Theatre below the road, and the Royal National Theatre to the east.