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Drone sinks Ukrainian-owned ship off Bulgaria’s Black Sea coast, prime minister says

By Thomson Reuters Oct 13, 2026 | 12:27 AM

SOFIA, Oct 13 – Two ships were hit by drones off Bulgaria’s Black Sea coast and one of them ​sank, in the second such incident ‌in a week, Prime Minister Rumen Radev said on Tuesday.

The Ukrainian-owned “Chelsea 3”, sailing under Maltese flag, was hit by three drones some 18 nautical miles (33 km) ‌off ​the Bulgaria coast around ⁠1:30 a.m. (2230 GMT), Radev ⁠said. Its crew – seven Ukrainians and eight Azerbaijanis – had been rescued.  Five crew members received medical assistance, but no one ​was seriously injured.

One crew member of the sunken ship had also been rescued, Radev ⁠said.

“This is absolutely unacceptable — ⁠another attack in the immediate vicinity ​of Bulgarian territorial waters,” Radev said in a ​televised address.

“I am due to speak ‌with NATO Secretary General Mark Rutte.”

Radev said there was no clear evidence who carried out the attack but “the outcome benefits the ⁠Russian Federation”, adding that he would summon the Russian ambassador about the incident.

Bulgaria does not border either Ukraine ⁠or Russia, ‌but as a NATO member ⁠it holds a strategic position ​on ‌the Black Sea, where both countries ​have major ⁠ports. There are growing concerns about hybrid attacks involving drones by Russia as it wages war in Ukraine.

(Reporting by Alex Lefkowitz and Ivana Sekularac; Editing by Tom Hogue and ​Lincoln Feast.)