Russia launches their second biggest air attack while their refineries burn

Russia launches its second-largest air assault of the war, Ukrainian deep strikes keep 21% of Russia’s refining offline, and Kupyansk faces mounting pressure. Catch today’s 5-minute Ukraine Bulletin — sharp, strategic, investor-focused.Powered by the Pravo Intelligence Hub Welcome to the Ukraine Bulletin, your investor-focused briefing on the latest geopolitical, military, economic, and business developments in Ukraine.In this episode:629-Strike Barrage: Russia unleashes one of its largest mixed salvos in weeks; blasts in Kyiv damage the British Council and sites near the EU mission.Refineries Aflame: Ukraine’s deep-strike campaign has disrupted at least 17% of Russia’s refining capacity (Reuters), with Ukrainian claims rising toward 21% as strikes increasingly target processing units rather than storage.Frontlines in Flux: Breathing room around Pokrovsk as Ukraine stabilizes the Dobropillia axis; mounting Russian pressure toward Kupyansk but no decisive breakthrough.Referenced Sources:UK summons Russian ambassador after Kyiv hit by missiles, drones overnight (reuters.com)Russian missiles pound Ukraine, damage EU and British offices (reuters.com).Europe furious as deadly Russian attack damages prominent Kyiv offices (washingtonpost.com).At least 17 killed in major Russian attack that included rare strikes on center of Ukrainian capital (pbs.org).Russia strikes Ukraine overnight, at least 14 killed in Kyiv (aerotime.aero).Russian oil refineries, terminals burn as Ukraine hits Putin’s war economy (reuters.com).Russia says it put out fire at large oil refinery after latest Ukrainian drone attack (reuters.com).Exclusive: Russia’s idle oil refining capacity record high after Ukrainian drone attacks (reuters.com).Defense Forces strike Kuybyshev and Afipsky oil refineries in Russia (ukrinform.net).Russian Offensive Campaign Assessment, August 27, 2025 (understandingwar.org).