Column of vehicles of the OSCE mission lineup to leave Donetsk People Republic, the territory controlled by pro-Russian militants, near the Uspenka checkpoint toward Ukrainian-Russia border, eastern Ukraine, Tuesday, March 1, 2022. Russian shelling pounded civilian targets in Ukraine's second-largest city, Kharkiv, Tuesday and a 40-mile convoy of tanks and other vehicles threatened the capital ??" tactics Ukraine's embattled president said were designed to force him into concessions in Europe's largest ground war in generations.(AP Photo/Alexei Alexandrov)