What's trending, explained.
What's trending, explained.
Overnight between Monday and Tuesday, drones struck two cargo ships in the Black Sea, roughly 32 to 34 kilometers off Bulgaria's coast near the village of Krapets, close to the Romanian border. One vessel sank. Bulgarian authorities said five crew members were rescued, while eleven sailors remained missing, with search-and-rescue operations continuing through Tuesday.
The second ship, the Malta-flagged Chelsea-3, was hit by three drones. All fifteen of its crew members — seven Ukrainians and eight Azerbaijanis — were rescued, and none suffered serious injuries, Bulgarian officials said.
Reporting on the sunken ship's identity varied. Bulgarian media identified it as the cargo vessel Azov Concord, while another report named it as the Guinea-Bissau-flagged HS Dignity, which had been sailing toward the Romanian port of Braila with a partial cargo. Reuters described the incident as the second deadly sinking of a cargo vessel in the area in a week, though details of the earlier incident were not immediately clear.
No one has claimed responsibility for the attack. Bulgaria summoned Russia's ambassador over the incident, but stopped short of directly accusing Moscow. Prime Minister Rumen Radev called the attack "absolutely unacceptable" in a televised address, saying it took place "in the immediate vicinity of Bulgarian territorial waters," and added that regardless of who was responsible, the outcome benefited Russia. There was no immediate comment from Moscow.
The attack pulls commercial shipping deeper into the Russia-Ukraine war. The Black Sea is a critical corridor for grain and energy shipments, and attacks on merchant vessels threaten both maritime trade and global food security. European Commission President Ursula von der Leyen said the Black Sea had become "another front of escalation of the Russian war in Ukraine" and that those responsible should be held accountable. Ukraine's foreign minister, Andrii Sybiha, accused Russia of deliberately targeting civilian shipping, and Germany's foreign minister condemned the attacks on merchant vessels.
The location sharpens the stakes. Bulgaria is a member of both the EU and NATO, so an attack this close to its territorial waters is not just a Ukrainian problem — it is a security issue for the alliance. Radev spoke by phone with von der Leyen and with NATO Secretary General Mark Rutte on Tuesday, urging support to bolster Bulgaria's maritime and airspace surveillance. Rutte said NATO would continue to adjust its military presence on its eastern flank as needed, while Bulgaria's defense minister coordinated with his Romanian and Turkish counterparts on Black Sea security.
The timing also matters. The attacks came days after a separate claimed strike on shipping in the Strait of Hormuz pushed Brent crude toward $107 a barrel, and amid a broader escalation of strikes on energy and maritime infrastructure on both sides of the Russia-Ukraine conflict.
Search-and-rescue teams continue looking for the eleven missing sailors, and the fate of the sunken vessel's crew remains the most urgent unanswered question. Bulgarian authorities have not released findings on who carried out the attack or how the drones reached the ships, and an investigation is underway.
On the diplomatic track, the key question is whether the EU or NATO announce concrete new measures — expanded maritime surveillance, additional naval patrols in the Black Sea, or sanctions tied to the incident. Shipping companies and insurers will also be watching: after a second deadly sinking in a week, war-risk assessments for Black Sea routes may tighten, adding costs to the grain and energy trade that flows through these waters. For now, the Black Sea's merchant fleet is sailing in what one Bulgarian official effectively described as a war zone.