Ukraine bombs port where Russia's navy took refuge after Crimea attacks: report Business InsiderRussia and Ukraine Engage in Dueling Air Assaults Behind the Front Lines The New York TimesWar in Ukraine: More Drone Strikes on Russian Oil Facilities BloombergMassive Ukraine drone strike hits energy infrastructure in Russia and Crimea SemaforRussia's Tuapse oil refinery halted after Ukrainian drone attack, sources say Reuters
