MI5 must reveal links to murdered Russian spy Alexander Litvinenko

The evidence will form part of an investigation into allegations that Mr Litvinenko was killed by the Russian state while he was working for the British security services.

Source: http://www.dailymail.co.uk/news/article-2093292/MI5-reveal-links-murdered-Russian-spy-Alexander-Litvinenko.html?ITO=1490

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