Kiev, Aug. 2 -- Ukrainian President Volodymyr Zelenskyy on Sunday claimed that Ukrainian forces carried out long-range strikes on key Russian military and energy infrastructure, including the Saratov Oil Refinery and the Engels military airbase, as part of efforts to weaken Russia's war capabilities.

Zelenskyy made the remarks in a post on X, saying Ukrainian forces targeted strategic facilities located deep inside Russian territory.

"Last night, in Russia's Saratov, more than 600 kilometers from the front line, two strategic facilities were hit: the Saratov Oil Refinery and the Engels military air base," he said.

He also said that in the Kaluga region, the tank farm of the Lyudinovskaya oil depot was hit.

He also said that Ukraine co...