A Ukrainian army armoured vehicle passes on a road as smoke rises in the background in the city of Severodonetsk, Donbass region, on April 6, 2022, as Ukraine tells residents in the country's east to evacuate "now" or "risk death" ahead of a feared Russian onslaught on the Donbas region, which Moscow has declared its top prize. - NATO believes Moscow aims to take control of the whole Donbas region in eastern Ukraine with the aim of creating a corridor from Russia to annexed Crimea. (Photo by FADEL SENNA / AFP)