Ukrainian comedian Volodymyr Zelensky has won a landslide victory in the country's presidential election, exit polls suggest. The polls give the political newcomer, who dominated the first round of voting three weeks ago, more than 70% support. Mr Zelensky, 41, challenged incumbent president Petro Poroshenko who has admitted defeat. The apparent result is being seen as a huge blow to Mr Poroshenko and a rejection of Ukraine's establishment. "I will never let you down," Mr Zelensky told celebrating supporters on Sunday. "I'm not yet officially the president," he added. "But as a citizen of Ukraine I can say to all ... (full story)