没等来普京！泽连斯基：将不出席在伊斯坦布尔举行的乌俄谈判！俄乌双方有这四个主要分歧

Group 1 - Ukrainian President Zelensky will not attend the Russia-Ukraine negotiations in Istanbul, but a high-level delegation led by Defense Minister Umerov will represent Ukraine [1] - Russian President Putin proposed the resumption of direct negotiations on March 11, suggesting potential new ceasefire agreements during the talks [2] - Zelensky has called for pressure on Putin to attend the Istanbul talks personally, stating that if Putin is absent, Western countries should impose large-scale sanctions on Russia [2] Group 2 - The U.S. will send a delegation to the talks, including Secretary of State Rubio and special envoys for Middle East and Ukraine affairs [5] - The main points of contention between Russia and Ukraine include the order of ceasefire discussions, territorial issues, security guarantees, and Western military aid and sanctions [6][8] - Russia insists on addressing the root causes of the conflict before discussing a ceasefire, while Ukraine demands a 30-day ceasefire as a prerequisite for negotiations [8]