Ukrainian President Volodymyr Zelenskyy confirmed the strikes on Thursday, stating they aim to limit Russia's oil revenues used to finance the war. The Slavneft-Yanos facility is one of Russia's biggest oil refineries, located hundreds of miles from the Ukraine border. The governor of the Yaroslavl region reported the area faced its largest-ever drone attack, with 93 drones destroyed, and falling debris hitting storage tanks, resulting in a fire and four injuries.