Ukraine continued attacks deep in Russian territory on Saturday, striking premises in the city of Volgograd that produce advanced weapons, Ukrainian President Volodymyr Zelenskyy said. In a second major strike, Kyiv said Ukrainian drones hit an oil pumping station that delivers fuel to Russia's  capital, Moscow .  The two attacks came a day after Ukraine launched one of its biggest drone assaults in the four-and-a-half-year-old war , targeting a dozen Russian regions, Crimea and shipping at sea.