Two ships in the Black Sea were attacked by drones on Tuesday. One of the vessels has sunk, and its crew is currently missing. A search and rescue operation is underway following the incident. Bulgarian Prime Minister Rumen Radev has condemned the attack as “completely unacceptable” and a “gross violation of international law.” The attack occurred in the Black Sea, raising concerns about maritime security in the region. Details surrounding the nationalities of the crew and the ownership of the ships have not yet been released. Authorities are investigating the circumstances of the drone attack and working to locate the missing sailors.