A senior governing party official confirmed Kolomoiskiy's home had been searched - as well as that of a former interior minister - but did not state the reason for the search. Kolomoiskiy is one of Ukraine's richest men and a one-time ally of President Volodymyr Zelenskiy, who launched a crackdown on wealthy businessmen known as "oligarchs" in late 2021 - before Russia launched its full-scale invasion. authorities have also alleged Kolomoiskiy and a business partner laundered stolen funds through the United States