Destroyed buildings seen in the town of Bucha, close to the capital Kyiv, Ukraine, Tuesday, March 1, 2022. Russia on Tuesday stepped up shelling of Kharkiv, Ukraine's second-largest city, pounding civilian targets there. Casualties mounted and reports emerged that more than 70 Ukrainian soldiers were killed after Russian artillery recently hit a military base in Okhtyrka, a city between Kharkiv and Kyiv, the capital. (AP Photo/Serhii Nuzhnenko)