epa10374712 A handout photo made available by the Ukrainian Presidential Press Service shows Ukraine's President Volodymyr Zelensky (C) meeting with Ukrainian servicemen during his visit to Bakhmut, Donetsk region, eastern Ukraine, 20 December 2022, amid Russia's invasion. Zelensky visited the frontline city of Bakhmut where he presented state awards to Ukrainian military personnel, the Ukraine's Presidential office said in a statement. Russian troops entered Ukraine on 24 February 2022 starting a conflict that has provoked destruction and a humanitarian crisis.  EPA/UKRAINIAN PRESIDENTIAL PRESS SERVICE HANDOUT -- MANDATORY CREDIT: UKRAINIAN PRESIDENTIAL PRESS SERVICE -- HANDOUT EDITORIAL USE ONLY/NO SALES