Russia's Drone War Claims Another Ship in Bulgaria's Black Sea — 11 Sailors Missing

The Briefing:
- Eleven sailors remain missing after the Guinea-Bissau-flagged cargo ship HS Dignity sank in Bulgaria's Black Sea exclusive economic zone on Tuesday; five crew members were rescued alive.
- A second vessel, the Maltese-flagged Chelsea 3, was struck by three drones in the same overnight attack, but all 15 crew — seven Ukrainians and eight Azerbaijanis — were evacuated safely with no serious injuries.
- This is the second deadly drone strike on merchant shipping in Bulgarian waters in seven days, and it has drawn emergency responses from NATO, the European Union, and Ukraine, all pointing toward Moscow as responsible.
Eleven sailors are missing and feared dead after drone strikes sank a cargo ship inside Bulgaria's Black Sea exclusive economic zone Tuesday morning — the second time in a single week that commercial shipping has been sent to the bottom of the sea in Bulgarian waters, a pattern that is reshaping risk calculations across Eastern Europe and pushing NATO toward urgent decisions about the defense of its maritime flank.
Two Ships Struck in the Night; One Never Returns
The attacks unfolded in the early hours off Bulgaria's northern Black Sea coast. The Guinea-Bissau-flagged cargo ship HS Dignity was struck and sank in waters off the village of Krapets; five crew members were pulled from the sea, but 11 remain unaccounted for. What rescue crews found at the scene gave little cause for hope: one overturned lifeboat, three life rafts, and scattered debris from the ship's equipment drifting on the surface.
The second vessel hit that night was the Chelsea 3, sailing under a Maltese flag. Struck by three drones, it did not sink. All 15 crew — seven Ukrainians and eight Azerbaijanis — were brought to safety, with none reporting serious injuries.
Bulgaria Points the Finger at Moscow
Sofia stopped short of a direct accusation, but the diplomatic signal was impossible to miss. In a nationally televised address, Prime Minister Rumen Radev called the strikes "absolutely unacceptable — another attack in the immediate vicinity of Bulgarian territorial waters," and said the outcome of the attacks "benefits the Russian Federation." He then spoke by telephone with European Commission President Ursula von der Leyen and NATO Secretary General Mark Rutte, pressing both to help Bulgaria bolster its maritime and airspace surveillance capabilities.
Russia's ambassador to Sofia, Eleonora Mitrofanova, met with Radev but brought no information from Moscow's defense ministry on the strikes. She declined to rule out that the attacks were "a provocation by a third party" — a characterization that Ukraine and Western officials were quick to dispute. Ukrainian Foreign Minister Andrii Sybiha said the attack once again exposed Moscow's systematic disregard for civilian lives at sea, and described the Black Sea as a global food security artery that Russia was deliberately turning into a weapon.
Brussels and NATO Respond
European Commission President Ursula von der Leyen declared the Black Sea had become another theater of Russian escalation in the war against Ukraine and demanded that those responsible face accountability. NATO Secretary General Mark Rutte said the alliance would continue to adjust its military presence along the eastern flank as the threat evolves.
Seven Days Earlier: The First Deadly Strike in Bulgarian Waters
Tuesday's attack came exactly one week after drone warfare first entered Bulgaria's exclusive economic zone. On October 6, sea and aerial drones struck two merchant ships roughly 70 nautical miles east of the coastal town of Byala. The Togo-flagged Alfa Watan sank, with nine Syrian sailors and one Egyptian crew member lost. The Palau-flagged grain carrier Able caught fire, but its 18 Turkish and Indian crew members were all successfully rescued. Bulgaria halted its search for the Alfa Watan's missing crew after rescuers found no survivors and no sign of life in the water. Radev called that attack "absolutely unacceptable" — the same phrase he would reach for again seven days later. Ukrainian President Volodymyr Zelenskyy, citing a joint naval inquiry with Bulgaria, attributed the October 6 strikes directly to Russia, a conclusion Radev declined to formally endorse.
Before That: A Turkish Grain Ship Burns Off Romania
The pattern of attacks on neutral commercial shipping had begun even before Bulgaria's waters were targeted. The day before the October 6 Bulgarian strikes, a Turkish-owned cargo ship transporting Ukrainian grain to Italy was hit by a drone, caught fire, and sank in the Black Sea off the coast of Romania. Two crew members died and 11 others were rescued. Ukraine blamed that attack on Russia as well.
A Sea in Flames — And No End in Sight
The escalating strikes are part of a broader economic war that neither side shows any sign of ending. Turkey's Chamber of Maritime Commerce reported in September 2026 that 226 civilian and commercial vessels had been attacked in the Black Sea since the war began in February 2022, with the vast majority of incidents concentrated in the current year.
Russia has systematically targeted Ukraine's Black Sea port infrastructure, pushing Ukrainian exports toward the Danube and toward coastal shipping lanes that run through Bulgarian and Romanian waters. Ukraine, in turn, has intensified its own drone campaign against Russian grain-exporting ships in the Black Sea and the Azov Sea. What began as a bilateral war between two nations has now drawn NATO's eastern maritime flank into the line of fire — forcing the alliance to defend its members' sovereign economic zones while global shippers, grain traders, and insurers scramble to reassess every Black Sea route they operate.
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