A member of the Ukrainian Territorial Defence Forces looks at a Russian military vehicle in a forest outside Ukraine's second-biggest city of Kharkiv on March 7, 2022. - On the 12th day of Russia's invasion of Ukraine March 7, 2022, Russian forces pressed a siege of the key southern port of Mariupol and sought to increase pressure on the capital Kyiv. Kyiv remains under Ukrainian control as does Kharkiv in the east, with the overall Russian ground advance little changed over the last 24 hours in the face of fierce Ukrainian resistance. (Photo by Sergey BOBOK / AFP)