Early Tuesday morning, drones fell out of the dark over the Black Sea and hit two commercial ships sailing just outside the Danube delta. By mid-morning, one vessel had vanished from radar, its crew missing. The other was burning, its 18 sailors fleeing into lifeboats. It was the first drone strike ever reported inside Bulgaria’s exclusive economic zone — and the second attack on Black Sea shipping in as many days.
What happened
The distress signals came in at around 4 a.m. local time. The two vessels — the Alfa Watan, sailing under the flag of Togo, and the Able, flagged in Palau — were steaming from Istanbul toward the Sulina Canal, the waterway that connects the Black Sea to the Danube and carries Ukrainian grain out to the world. They were attacked near the canal’s exit, east of Cape St. Atanas and about 80 miles off the Bulgarian town of Byala, inside Bulgaria’s exclusive economic zone.
By 9 a.m., the Alfa Watan had disappeared from Bulgarian Border Police radar. It had sunk. There was no immediate word on the fate of its crew.
The Able survived the strike but not the fire that followed. Flames engulfed the ship, and all 18 crew members abandoned it. A passing Bulgarian ferry, the Dioscuria, on the Constanta-to-Varna route, diverted to the scene and pulled the crew from the water. The rescued sailors received first aid on board the ferry and were then transferred to Bulgarian Border Police vessels. Some were injured, and two were reported to be in serious condition.
The rescue operation
The search for the Alfa Watan’s crew continued through the day. The Saint Kitts-Nevis-flagged cargo vessel Mercy joined the operation, alongside Romanian Coast Guard vessels and a helicopter. “The crew of one ship is missing, while the sailors from the second vessel have been rescued,” said Rumen Nikolov, director of the Maritime Rescue Coordination Center in Varna, in comments to Bulgarian public radio.
In Sofia, Prime Minister Rumen Radev convened an emergency meeting with representatives of the defence, interior, transport and environment ministries, the office of the president and the security services. He was scheduled to address the media at 11:15 a.m.
A second day of attacks
The strikes came just one day after a Turkish-owned cargo ship sank off the coast of Romania, killing two people. That vessel had been carrying grain from Ukraine to Italy when it was set ablaze in a drone attack. Ukraine accused Russia of carrying out that strike.
No one has claimed responsibility for Tuesday’s attack, and it remains unclear who launched the drones. Bulgaria is a NATO member, and the fact that the strikes happened inside its exclusive economic zone — not the open sea, and not off a warzone coast — marks an escalation in the campaign against Black Sea shipping.
Why this matters
Here is the uncomfortable arithmetic. For nearly three years, commercial shipping in the western Black Sea has lived with the war’s shadow — sea mines, soaring insurance premiums, crews who signed on to haul cargo, not to dodge drones. The Sulina corridor is the spine of Ukraine’s grain exports by sea; making it too dangerous to use strangles one of the world’s most important food supply lines without any formal blockade.
Attacking ships off Bulgaria’s coast takes the fight somewhere new. An exclusive economic zone is not sovereign territory, but it is where a coastal state has rights and responsibilities — Bulgaria’s waters, Bulgaria’s problem. A strike inside a NATO member’s zone raises questions the alliance has managed to avoid: what counts as an attack on a member state when the target is a Togolese-flagged freighter hauling cargo to the Danube?
For now, the answers are missing along with the crew of the Alfa Watan. Tuesday’s rescue operation bought 18 people their lives. Whether it also bought the Black Sea’s shipping lanes another week of relative calm is a question no one in Sofia or Bucharest can yet answer.
