Russia intercepts ~600 Ukrainian drones; strikes hit refineries, industrial sites

Ukrainian drones struck multiple Russian regions overnight, including Ulyanovsk, Voronezh, Rostov, and Perm Krai, with Russia claiming to have intercepted nearly 600 drones. The scale of the attack, if confirmed, marks a significant escalation in Ukraine's long-range strike campaign against Russian energy and industrial infrastructure. The impact on refinery operations and broader economic disruption remains uncertain, but the incident underscores the ongoing strategic targeting of Russian energy assets.