Russia's defence ministry on Friday claimed its forces struck a vessel carrying military cargo near Ukraine's Black Sea port of Odesa, while Ukraine said it had hit a major Russian oil refinery and port infrastructure, signalling a fresh escalation in attacks on each other's military supply chains.

Ukraine said it hit one of Russia’s largest oil refineries, intensifying economic and diplomatic pressure on Moscow

Ukrainian forces hit two of Russia’s biggest oil refineries overnight in its latest long-range strikes, officials said Wednesday, as Kyiv deepened its economic, military and…