Klitschko brothers represented Ukraine at the 1996 Olympics, winning a gold medal in the super-heavyweight division. In 1996, when still an amateur, Vitali Klitschko tested positive for a banned substance and was removed from the Ukrainian boxing team. In June 1999, Vitali Klitschko won the WBO Heavyweight title from Herbie Hide via second-round knockout. He successfully defended the title twice before losing it to Chris Byrd. Six months later, younger brother Wladimir dethroned Byrd via lopsided points decision. He registered five successful title defenses, all by TKO until suffering an upset TKO loss to Corrie Sanders in March 2003. Vitali Klitschko lost
Vitali Klitschko that he would take part in the (early) 2014 Ukrainian presidential election. But on 29 March 2014 announced that he had changed his mind and would run for the post of Mayor of Kiev in the 2014 Kiev local election (including Mayoral elections) set for 25 May 2014. In the 2014 Ukrainian presidential election Klitschko endorsed the candidacy of Petro Poroshenko. Klitschko won Kiev's mayoral elections with almost 57% of the votes. He was sworn in as mayor on 5 June 2014. The same day the Ukrainian parliament had deprived Klitschko of his MP mandate (Ukrainian MPs are not entitled