Bangladesh, Nov. 29 -- Ukraines political establishment was jolted this week when Andriy Yermak, one of President Volodymyr Zelenskyys closest and most influential allies, stepped down amid a sweeping anti-corruption investigation that has rapidly expanded into the highest levels of government. The resignation followed search operations conducted Friday by Ukraines top anti-graft bodies-the National Anti-Corruption Bureau of Ukraine (NABU) and the Specialized Anti-Corruption Prosecutors Office (SAPO)-which targeted Yermaks residence in connection with a high-stakes probe involving alleged multimillion-dollar kickbacks at the state-owned nuclear energy operator, Energoatom.

The departure of Yermak, widely regarded as Zelenskyys most power...