Ukrainian forces have struck Russia's major Ufa oil refinery for the second time in a week, President Volodymyr Zelenskyy said Wednesday.

Ukraine has markedly stepped up its long-range attacks on Russian military industries and energy facilities in recent months, aiming to cut Moscow’s revenue for its invasion — now…

Ukraine said it struck a pair of Russian oil refineries far behind the front lines on Sunday as President Vladimir Putin vowed to ramp up defenses.