Ukraine has responded to Russia’s attacks on Ukrainian energy infrastructure. Following retaliatory operations against the oil refinery in the Leningrad region, only 40 percent of the facility’s capacity remains, Ukrainian President Volodymyr Zelenskyy said. "We responded to the strike on our energy system, we responded with powerful blows… About 40 percent of their capacity remains at this facility after several corresponding operational actions," Zelenskyy said during a video briefing with