(L-R) Oleksandra, Mykhaylo and Yevgenia, children of former Ukrainian president and leader of the European Solidarity Party, Petro Poroshenko, take part in a rally at the State Bureau of Investigation in Kiev on August 12, 2019, to show support to their father as he was questioned as a witness in a case of possible tax evasion during the purchase of a TV channel "Pryamyi". (Photo by Sergei SUPINSKY / AFP)