U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy walk next to Saint Michael’s cathedral, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY Photo: GLEB GARANICH/REUTERS
A view of a Leopard 2 tank at the German army Bundeswehr base in Munster, Germany, February 20, 2023. REUTERS/Fabian Bimmer Photo: Fabian Bimmer/REUTERS
U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy visit Saint Michael’s cathedral, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. REUTERS/Gleb Garanich Photo: GLEB GARANICH/REUTERS
U.S. President Joe Biden leaves a sign in a book as Ukraine's President Volodymyr Zelenskiy stands next, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. Ukrainian Presidential Press Service/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. Photo: Ukrainian Presidential Press Ser/REUTERS
U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy visit Saint Michael’s cathedral, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. REUTERS/Gleb Garanich Photo: GLEB GARANICH/REUTERS
U.S. President Joe Biden attends a meeting with Ukraine's President Volodymyr Zelenskiy, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. Ukrainian Presidential Press Service/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. Photo: Ukrainian Presidential Press Ser/REUTERS
U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy visit Saint Michael’s cathedral, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. REUTERS/Gleb Garanich Photo: GLEB GARANICH/REUTERS
U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy visit to Saint Michael’s cathedral, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. REUTERS/Gleb Garanich Photo: GLEB GARANICH/REUTERS
U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy walk next to Saint Michael’s cathedral, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY Photo: GLEB GARANICH/REUTERS
Ukraine's President Volodymyr Zelenskiy and U.S. President Joe Biden walk inside the Mariinskyi Palace, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. Ukrainian Presidential Press Service/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. Photo: Ukrainian Presidential Press Ser/REUTERS
Ukraine's President Volodymyr Zelenskiy and U.S. President Joe Biden attend a meeting, amid Russia's attack on Ukraine, in Kyiv, Ukraine February 20, 2023. Ukrainian Presidential Press Service/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. Photo: Ukrainian Presidential Press Ser/REUTERS