(FILES) Two-time WBC World Heavyweight Champion Vitali Klitschko from Ukraine poses for a photo in Moscow on September 7, 2012, during a weighting session with his challenger Manuel Charr from Germany. Vitali Klitschko's last few years as mayor of Ukraine's capital, Kyiv, have been marked by his fight to shield the city from the war with Russia and power politics. (Photo by Kirill KUDRYAVTSEV / AFP via Getty Images)