Vitali Klitschko would run in the 2012 Kiev mayoral election. During the 2012 Ukrainian parliamentary election, Klitschko was elected (he was top candidate on UDAR's party list) into the Ukrainian parliament; when his party won 40 seats. Klitschko was chosen the leader of the party's faction in Parliament. Klitschko announced on 24 October 2013 that he intended to take part in the next Ukrainian presidential election that was then set for 2015. Experts and lawyers then argued that it was unclear if Klitschko could take part in these elections. Under Ukrainian law, a presidential candidate must have had his residence in Ukraine
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