The results of exit polls give me the reason to call my opponent and congratulate him, President of Ukraine Petro Poroshenko said. “I will leave office but I want to firmly stress, I will not quit politics. I am staying in politics and will fight for Ukraine,” he added.According to exit polls, Volodymyr Zelensky won the Ukrainian presidential election with 73.2% of the votes, while incumbent President Petro Poroshenko received - 25.3%.