This screen grab obtained from a handout video taken on May 17, 2022, and released by the Russian Defence Ministry on May 18, 2022, shows buses escorted by pro-Russian military personnel, transporting Ukrainian service members who left the besieged Azovstal steel plant in Ukraine's port city of Mariupol. (Photo by Handout / Russian Defence Ministry / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / Russian Defence Ministry / handout" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS