ISTANBUL Ukrainian Foreign Minister Andrii Sybiha and his Estonian counterpart Margus Tsahkna on Monday discussed diplomatic developments, coordinated peace efforts, and ways to accelerate Ukraine’s integration into the European Union, according to statements from both sides. Sybiha said on X following their talkiver over the phone that he and Tsahkna agreed that “European unity is crucial to ensure our common security and global stability” and underlined the shared path of Ukraine and Moldova