Top Zelenskiy Aide Quits Amid Ukraine Corruption Allegations Bloomberg.comUkraine presidential adviser Yermak resigns in another blow for Zelenskyy’s government CBCZelensky dismissed his right-hand man. Is he weaker or stronger now? CNNA corruption scandal costs Volodymyr Zelensky his top aide The EconomistWhy Andriy Yermak’s ouster is a political earthquake for Ukraine politico.eu