TOPSHOT - The husband (R) of Ukrainian displaced Karina Tkachenko is helped to cross a river by Ukrainian servicemen, on the outskirts of Kyiv, on March 31, 2022. - Russian forces are repositioning in Ukraine to strengthen their offensive on the Donbass, Nato said March 31, 2022, on the 36th day of the Russian-Ukrainian conflict, as shelling continues in Kharkiv (north) and Mariupol (south). (Photo by RONALDO SCHEMIDT / AFP)