Analysts say Ukraine is trying to disrupt the Russian military’s logistical routes and combat operations by targeting the facilities that supply fuel for its tanks, ships and fighter jets.

Despite Western criticism, experts argue that Ukraine's targeted campaign against Russian oil infrastructure is working.

Ukrainian Border Guards conducted precision strikes on Russian observation posts in the South. The State Border Guard State of Ukraine published a video. Ukrainian border guards carried out a series of precise drone strikes on the observation posts of the Russian military,

But Ukraine has instead doubled down on its strategy. Last month, Ukraine struck Russia’s third-largest refinery, located about 800 miles from its border with Russia. The refinery hit Thursday is also one of Russia’s biggest, with a capacity to process 10 million metric tons of oil a year, according to Gazprom, its owner.

On May 9, the Security Service of Ukraine (SBU) attacked an oil refinery, Gazprom Neftekhim Salavat, in the Republic of Bashkortostan, and two oil depots in Krasnodar Krai, according to a source interviewed by the Kyiv Independent.

Ukraine on Wednesday said it was limiting power supplies across the country and warned of possible blackouts after a "massive" wave of Russian missiles and drones targeted the country's battered

Russia warned Britain on Monday that if British weapons were used by Ukraine to strike Russian territory then Moscow could hit back at British military installations and equipment both inside Ukraine and elsewhere.

A Ukrainian drone struck a major oil processing plant in Russia's Bashkiria region on Thursday from some 1,500 km (932 miles) away, a Kyiv intelligence source said, its longest-range such attack since the start of the war.