Who killed Alexander Litvinenko? | Guardian Explainers

Описание: This month a public inquiry will hear evidence about the murder of a former KGB agent, Alexander Litvinenko.
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We will hear the forensic evidence collected by the Metropolitan police in the days following Litvinenko's death. It is expected to show that suspects Andrei Lugovoi and Dmitry Kovtun left a trail of polonium from Moscow.
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