Ukrainian soldiers sit on a armoured military vehicule in the city of Severodonetsk, Donbass region, on April 7, 2022, amid Russia's military invasion launched on Ukraine. - Six weeks after invading its neighbour, Russia's troops have withdrawn from Kyiv and Ukraine's north and are focusing on the country's southeast, where desperate attempts are under way to evacuate civilians. (Photo by FADEL SENNA / AFP)