Regional governor Alexander Drozdenko said in a statement on social media that 38 drones were intercepted overnight and that the port, located on the Gulf of Finland, sustained fresh damage for the third time in a week.

He did not specify the extent of the damage.Repeated strikes on export hubUst-Luga is a major node for Russian exports of fertilizers, oil and coal, and has been targeted multiple times in recent days.

Russian authorities previously reported fires at the port following drone strikes on Sunday and Wednesday.The latest attack underscores growing pressure on infrastructure tied to Russia’s export revenues, which Kyiv has increasingly targeted as part of its military strategy.

Ukraine has stepped up long-range drone operations against Russian facilities, including refineries, oil depots and ports. Officials in Kyiv say such strikes are intended to disrupt revenue streams that support Moscow’s military campaign.

President Volodymyr Zelensky has defended the attacks as a proportionate response to Russia’s offensive, though Ukrainian authorities did not immediately comment on the latest incident.

Efforts to negotiate an end to the conflict have faltered, with talks between Moscow and Kyiv, brokered by the United States, losing momentum. Diplomatic attention has been diverted by intensifying hostilities in the Middle East, further complicating prospects for de-escalation in the four-year war.

Russia has not provided additional operational details on the overnight interceptions or potential disruptions to port activity.

A fuel reservoir at Primorsk caught fire after a drone strike, Alexander Drozdenko, governor of the Leningrad region, said on Telegram. Separately, Ust-Luga operations were halted due to a drone alert in the surrounding area, the sources said.

Both ports, located in Russia’s northwestern Leningrad region, handle the bulk of the country’s seaborne crude oil and refined fuel exports from its western outlets, making them critical nodes in Russia’s energy supply chain.

The suspensions underscore growing vulnerabilities in Russia’s energy infrastructure as drone attacks increasingly target logistics and export facilities. While the extent of damage and the expected duration of the halt were not immediately clear, any prolonged disruption could tighten export availability from Baltic routes.

Transneft, Russia’s state-controlled oil pipeline monopoly that operates both Primorsk and Ust-Luga, did not immediately respond to a request for comment.

Primorsk and Ust-Luga serve as key gateways for Russian crude and petroleum products destined for international markets, particularly in Europe and beyond via maritime routes. Interruptions at these ports can affect shipping schedules, storage logistics and broader supply balances.

The incidents come amid heightened geopolitical tensions and a pattern of attacks on energy infrastructure, raising concerns over the resilience of supply networks and potential knock-on effects in global oil markets.