A former close associate of Ukrainian President Volodymyr Zelenskyy has been arrested on money-laundering charges. The detention is part of a widening anti-corruption probe that is intensifying political tensions within Ukraine during wartime.

<img alt="A man stands looking on in a suit." height="349" src="https://i.cbc.ca/ais/aa7f545c-d596-4832-8581-14c747d4fe5f,1778756872095/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C50%2C2496%2C1404%29%3BResize%3D%28620%29" title="FILE PHOTO: Former Head of the Presidential Office Andriy Yermak, who according to the National Anti-Corruption Bureau of Ukraine is a suspect in a corruption probe, appears at court for a hearing on the choice of a preventive measure, amid Russia’s attack on Ukraine,...