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 (UDAR) and was elected into parliament for this party in 2012. He was a leading figure in the 2013–2014 Euromaidan protests, and he announced his possible candidacy for the Ukrainian presidency but later withdrew and endorsed Petro Poroshenko. He was elected Mayor of Kiev on 25 May 2014. Klitschko headed the election list of the winner of the 2014 Ukrainian parliamentary election, the Petro Poroshenko Bloc, but he gave up his parliamentary seat to stay on as Mayor of Kiev. On 28 August 2015 the UDAR party merged into Petro Poroshenko Bloc. Klitschko thus became the new party leader. Klitschko