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Russian President Putin awards boxer Tishchenko during a ceremony for Russian Olympic medallists returning home from 2016 Rio Olympics at Kremlin in Moscow

Russian President Vladimir Putin awards boxer Evgeny Tishchenko during a ceremony for Russian Olympic medallists returning home from the 2016 Rio Olympics, at the Kremlin in Moscow, Russia August 25, 2016. REUTERS/Maxim Shemetov

Moscow Bomb Attack

Russian airport targeted by suicide bomber