Russian war in Ukraine

A merchant ship has sunk off the coast of Bulgaria following drone attacks, prompting Bulgarian Prime Minister Rumen Radev to summon the Russian ambassador. The attacks targeted two vessels approximately 17-18 nautical miles east of Krapets. One of the ships, identified as the Ukrainian-owned Chelsea 3 sailing under a Maltese flag, sustained damage after being hit by three drones. The other vessel sank, with one crew member rescued. While the articles do not explicitly state Russia was responsible, the Prime Minister's action of summoning the Russian ambassador strongly suggests suspicion. This incident highlights the ongoing maritime risks in the Black Sea region, which have been heightened since Russia's full-scale invasion of Ukraine in February 2022, impacting shipping routes and regional security.