With Volodymyr Zelensky's top aide stepping down, the EU loses a key interlocutor in Kyiv at a pivotal moment in peace talks. The Trump administration, by contrast, seems ready to leverage the crisis to push its own priorities.

Andriy Yermak has played a crucial role in Ukraine's response to Russia's war and is lead negotiator in peace talks.

El hasta ahora jefe de la oficina del presidente aparece en la investigación de una red de fraude en el círculo próximo del líder ucranio