An oil refinery in the southern Krasnodar region caught fire after a Ukrainian drone attack early Friday, while authorities in the city of Taganrog evacuated some residents from their homes following a separate strike on a seaport.

Russian officials say Ukraine struck an oil refinery, fuel depots and defense facilities while drone attacks disrupted flights in Moscow and St. Petersburg.

A fire broke out at the Ilsky oil refinery in the Seversky district of the Krasnodar Region after UAV debris fell on the site