PoliticsUkraineZelenskyy's top aide steps down amid corruption probe03:03This browser does not support the video element.PoliticsUkrainePhil Gayle | Nick Connolly in Kyiv11/28/2025November 28, 2025Andriy Yermak was Ukraine's lead negotiator in talks with the US and seen as the president's most important political ally. His resignation is "very embarrassing" for Zelenskyy, says DW's correspondent in Kyiv.Copy linkAdvertisement