Black Sea Drone Attack Sinks Cargo Ship Off Bulgaria, Leaving 11 Sailors Missing

Black Sea drone attack: Drones struck two commercial cargo ships overnight off Bulgaria’s Black Sea coast, sinking one and leaving 11 sailors missing, Bulgarian officials said Tuesday, Oct. 13. It is the second deadly sinking near the NATO member’s coast in about a week. Bulgaria summoned Russia’s ambassador but stopped short of formally blaming Moscow. Russia’s envoy said she had no information about any attack.

The strikes add to a growing list of attacks on merchant shipping far from the front lines of Russia’s war in Ukraine. They also raise new questions for NATO and the European Union about protecting busy trade routes along the alliance’s southeastern flank.

Black Sea Drone Attack: What Happened

Verified facts, as reported by Euronews, The Irish Times (via AP) and The Moscow Times:

• The 11 missing figure came from a regional spokeswoman in Dobrich, citing preliminary information, according to Euronews. A search and rescue operation was continuing.
• The rescued Chelsea 3 crew were brought to the port of Varna.
• About a week earlier, another cargo ship sank after drone strikes in Bulgaria’s Black Sea exclusive economic zone. Nine Syrian sailors and one Egyptian were lost, and a second ship hit that night had its crew rescued.

Who Said What

Bulgaria

Government statement: Prime Minister Rumen Radev called the attack “absolutely unacceptable” in a televised address. He said there was no solid evidence pointing to a specific party, but that the outcome “benefits the Russian Federation.” He asked European Commission President Ursula von der Leyen and NATO Secretary General Mark Rutte for help strengthening maritime and airspace surveillance. President Iliana Iotova’s office identified the sunken vessel.

Russia

Official response: After meeting Radev in Sofia, Russian Ambassador Eleonora Mitrofanova said she had no information from Russia’s Defense Ministry about attacks on commercial vessels and did not rule out a provocation by a third party, according to AP. Moscow had no immediate public comment.

EU, NATO and Ukraine

• European Commission: Von der Leyen said the Black Sea has become another front of escalation and that “those responsible should be held accountable.”
• NATO: Rutte said the alliance has already strengthened its eastern flank and will adjust its presence “as needed.”
• Ukraine: Foreign Minister Andrii Sybiha blamed Moscow, saying the strike showed its “deliberate disregard for civilian lives” and accusing Russia of using the Black Sea to weaponize hunger.

Background: Why the Black Sea Matters

The Black Sea is a major route for grain, fuel and other goods from Ukraine, Russia, Romania, Bulgaria and Turkey. Since Russia’s full-scale invasion of Ukraine in 2022, shipping there has become part of a long economic battle:

• Russia has repeatedly bombed Ukraine’s Black Sea ports. Ukraine has shifted more trade to Danube River ports and to routes hugging the coasts of NATO members Romania and Bulgaria, according to AP.
• Ukraine has increasingly targeted Russian grain-exporting ships in the Black Sea and the Sea of Azov.
• Maritime security firm Ambrey reported at least 45 merchant vessels attacked over the past 12 months in parts of the Black Sea not previously considered high risk, as attacks move farther from the Russian and Ukrainian coasts, Euronews reported.
• The EU’s Black Sea Security Strategy, adopted in May 2025, proposed a Black Sea Maritime Security Hub to coordinate coast guards and monitor shipping, offshore installations and undersea cables.

Analysis: What It Means

Analysis: Two deadly sinkings in about a week near a NATO coastline make it harder for the alliance and the EU to treat Black Sea attacks as an isolated spillover from the war. The attacks may also add to costs and risks for shipowners and exporters using the western Black Sea corridor. Bulgaria’s careful wording — summoning Russia’s ambassador without formally assigning blame — reflects how hard it is to attribute drone attacks at sea, and the political weight such an accusation would carry.

What to Watch Next

• Search for the missing crew of the HS Dignity and any official casualty count.
• Attribution: Whether Bulgarian, NATO or EU investigators publicly identify who launched the drones.
• NATO and EU response: Any new surveillance, air-defense or naval measures for Bulgaria and Romania following Radev’s request.
• Shipping and insurance: Changes in war-risk premiums or routing for vessels using Black Sea and Danube trade routes.
• Diplomacy: How the attacks affect ongoing U.S.-led efforts on Russia-Ukraine talks.

Developing story: Figures on missing and rescued crew are preliminary and may change.

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Sources

• Euronews — At least 11 missing after two ships struck off Bulgaria
• The Irish Times — Eleven sailors missing after drone attack sinks cargo ship off Bulgarian coast
• The Moscow Times — Bulgaria summons Russian ambassador after drone attack sinks ship
• Just Security — Early Edition, Oct. 13, 2026

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