Explosions reportedly rocked Tuapse - one of the largest oil ports on the Black Sea - overnight, The Kyiv Independent reports. Videos on Russian Telegram channels show large flames rising from the refinery in the Krasnodar region.
The attack was confirmed by the region's governor, Veniamin Kondratiev, who said one man was killed in a "massive drone strike," according to AFP. Ukraine has not commented on the information.
Ukraine has also reportedly attacked two landing ships belonging to Russia's Black Sea Fleet, Reuters reports. Ukraine's intelligence service, GUR, said the ships collided on Monday night outside Sevastopol on the Russian-occupied Crimean peninsula.





