They and a police officer who went to his house were left critically ill in hospital from exposure to the military-grade nerve agent. [L8N2QN2MN]Haydon also said Petrov and Boshirov were really named Alexander Mishkin and Anatoliy Chepiga, and Fedotov's true name was Denis Sergeev. Britain has no extradition treaty with Russia, and Moscow has so far refused to hand over Petrov and Boshirov. The Russian foreign ministry said Britain was using the poisoning to stoke anti-Russian sentiment. After they were accused by Britain, Boshirov and Petrov appeared on Russian TV to say they were tourists who had travelled to Salisbury to do some sightseeing.
