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Andrei Lugovoi, thought to be a key figure in the investigation into the fatal poisoning of former Russian security agent Alexander Litvinenko who died in London on November 23, 2006, speaks to the media in Moscow, Friday, Feb. 23. 2007. Lugovoi, a former KGB officer, a said Friday that he plans to appeal to British authorities for information about the progress of their probe stressing that the British investigators who questioned him in December in Moscow told him he was considered a witness, not a suspect.(AP Photo/Alexander Zemlianichenko)