Marina Litvinenko, the widow of Russian former spy Alexander Litvinenko, speaks to the media outside the High Court in central London, on July 31, 2014. Britain on Thursday formally opened an inquiry into the radioactive poisoning of Russian former spy Alexander Litvinenko in a case that threatens to increase tensions with Moscow amid the crisis in Ukraine.
{"Image ImageDescription": "Marina Litvinenko, the widow of Russian former spy Alexander Litvinenko, speaks to the media outside the High Court in central London, on July 31, 2014. Britain on Thursday formally opened an inquiry into the radioactive poisoning of Russian former spy Alexander Litvinenko in a case that threatens to increase tensions with Moscow amid the crisis in Ukraine.  AFP PHOTO / LEON NEAL        (Photo credit should read LEON NEAL/AFP via Getty Images)"}