Natalia Drozdiak Peter Martin And Kateryna Chursina Bloomberg

Russia's missile attacks on Ukraine's energy system, the bombardment of its second-largest city, and advances along the front are stoking worries that Kyiv's military effort is nearing breaking point.

Russia's missile attacks on Ukraine's energy system, the bombardment of its second-largest city, and advances along the front are stoking worries that Kyiv's military effort is nearing breaking point.