TOPSHOT - Ukrainian military vehicles move past Independence square in central Kyiv on February 24, 2022. - Air raid sirens rang out in downtown Kyiv today as cities across Ukraine were hit with what Ukrainian officials said were Russian missile strikes and artillery. Russian President announced a military operation in Ukraine on February 24, 2022, with explosions heard soon after across the country and its foreign minister warning a "full-scale invasion" was underway. (Photo by Daniel LEAL / AFP)