泽连斯基回应普京：希望俄罗斯从明天开始停火！

Group 1 - Ukrainian President Zelensky expressed hope for a ceasefire to begin on May 12, viewing Russia's suggestion for direct negotiations as a positive sign for ending the war [2][4] - Russian President Putin proposed to resume direct negotiations in Istanbul on May 15, emphasizing Russia's willingness to negotiate without preconditions [3] - Ukrainian Foreign Minister Kuleba stated that Ukraine has consistently maintained its position and is awaiting confirmation from Russia regarding the ceasefire proposal [4]