Firefighters continued to battle flames at a Russian chemical transport terminal on Sunday 21 January following two explosions, regional officials reported.
Local media reported that the Ust-Luga port had been attacked by drones, causing a gas tank to explode.
In a press statement to Russian media outlet RBC, the company said that the fire was the result of an “external influence.”
Ukraine has not claimed responsibility for the drone attack, which caused a paused in operations at the port.
News outlet Fontanka wrote that two drones had been detected flying towards St Petersburg on Sunday morning.