Top Zelensky aide resigns amid corruption probe as Ukraine peace talks progress

Andriy Yermak, the chief of staff to Ukrainian President Volodymyr Zelensky and a lead negotiator in peace talks with the U.S., has resigned, Zelensky said Friday. In his nightly address, the Ukrainian leader said he was “grateful” to Yermak “for always representing Ukraine’s position on the negotiation track exactly as it should be represented. It…