Flags of European Union and Ukraine flutter outside EU Parliament building, in Brussels, Belgium, February 28, 2022. REUTERS/Yves Herman European Union leaders may discuss the possibility of Ukrainian membership at an informal summit in March, a senior EU official said on Monday, adding the issue was important for Ukraine in discussions with Russia on ending the conflict. Ukrainian President Volodymyr Zelensky said on Monday that he had signed an official request for Ukraine to join the bloc. “I think one of the reasons that this is important for President Zelensky is also potentially in some of the discussions with Russia...