Explosions were reported overnight in two Russian industrial regions, Ulyanovsk and Perm, with local accounts and imagery posted online indicating that an oil refinery and a factory were struck.

Ukrainska Pravda, citing Russian and Ukrainian sources, reported the blasts in both cities. Photographs and videos circulated on social media shortly after the incidents, apparently showing fires and damage at industrial sites. The publication did not immediately attribute the strikes to a specific actor, and Russian officials had not issued a confirmed damage assessment at the time of reporting.

Perm, the administrative center of Perm Krai in the Urals, is a significant refining and petrochemical hub. The region hosts major downstream processing capacity serving Russian domestic fuel supply. Ulyanovsk, on the Volga, is an industrial center with machine-building and defense-related plants.

If confirmed, damage to a Perm-region refinery would add to a growing pattern of strikes on Russian downstream infrastructure. Refineries across Russia — from the Baltic to the Volga-Urals — have reported fires, emergency shutdowns and partial unit outages over recent months following drone attacks. Each incident carries potential implications for run cuts, exportable product balances and domestic fuel market stability.

No casualty figures, force majeure declarations or output-loss estimates from the operators of the affected facilities appeared in the initial reporting. Ukrainian officials, who generally do not comment on individual strikes inside Russia, had not issued a statement at publication time.

For downstream watchers, the operative questions now are conventional: whether the targeted units were crude distillation or secondary conversion capacity, how long any emergency shutdown will hold throughput offline, and whether the operator can rerun production or draw from storage to meet domestic commitments. Historically, Russian refiners have preferred quiet restarts with minimal disclosure, leaving outside observers to infer run rates from product export data and satellite imagery of flare stacks.

The incidents come amid sustained pressure on Russian refining margins and logistics, with strikes on terminals and plants complicating both domestic supply and export flows. Western sanctions have already constrained access to Western process technology and catalyst suppliers, lengthening repair timelines for damaged units at vintage refineries.

Watch items: operator or regional confirmation of which units were affected at the Perm site; any declaration of force majeure on product shipments; and Russian Energy Ministry commentary on regional fuel supply in the coming days.