关键时刻乌克兰失去首席谈判代表，泽连斯基解除卷入腐败案的乌总统办公室主任职务

Core Points - The dismissal of Andriy Yermak, the head of the Ukrainian President's Office, marks a significant personnel change amid ongoing anti-corruption investigations in Ukraine, reflecting President Zelensky's commitment to anti-corruption under both Western and domestic pressure [1][2][7] - Yermak's departure comes at a critical time for negotiations, as he was a key figure in Ukraine's diplomatic efforts and had recently engaged in talks with U.S. officials [1][4][6] Group 1: Personnel Changes - Yermak, a close ally of President Zelensky since the early 2010s, held significant influence within the government, playing a crucial role in appointments and negotiations with foreign governments [3][4] - His resignation is seen as a response to increasing demands for transparency and accountability within the Ukrainian government [2][7] Group 2: Impact on Negotiations - Yermak's exit is expected to have immediate repercussions on Ukraine's diplomatic efforts, particularly as the U.S. proposed a controversial 28-point plan to end the war, which Yermak had been instrumental in opposing [4][6] - Zelensky plans to consult potential successors for Yermak's position, indicating the urgency of maintaining a strong negotiating team [4][7] Group 3: Anti-Corruption Context - The ongoing anti-corruption investigations have intensified, with Yermak's residence being searched by Ukrainian anti-corruption agencies, although neither he nor Zelensky has been accused of wrongdoing [6][7] - The investigations are part of a broader effort to address corruption in Ukraine, which is a key requirement for the country's EU membership application [7]