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Bulgaria / 2026-10-06-bg-1

infrastructure disruption: Black Sea, Bulgaria’s EEZ, about 70 nautical miles east of Byala; Alfa Watan (2026-10-06)

/ date of the event

What happened

At about 03:00 local time on 6 October 2026, the Togo-flagged Alfa Watan was attacked in Bulgaria’s exclusive economic zone. The ship sank and 10 crew members went missing. The search ended at 17:00 local time on 6 October without finding anyone, as the Maritime Administration reported the next day. Rafts and an overturned lifeboat were found. Ending the search does not confirm 10 deaths. Bulgaria’s prime minister confirmed a series of sea and aerial drone attacks on two ships without naming the operator. AP reports that Ukraine’s president attributed the series to Russia; Bulgarian authorities were still investigating the devices’ origin. The type, model and number of devices striking this vessel are undetermined. This is a separate entry for this ship, without an additional series aggregate. The EEZ is outside Bulgaria’s territorial sea. Exact coordinates have not been established; the entry has no map point. A navy briefing on 9 October confirmed the wreck at a depth of approximately 2,000 metres. Ten people remain missing; ten deaths are not confirmed. On 12 October, Bulgaria’s president Iliana Yotova said that the perpetrator and devices’ origin remained undetermined. EMSA was asked for an underwater device to inspect the Alfa Watan wreck; this is a request for assistance, not a completed expert examination. This is Bulgaria’s position, separate from Ukraine’s president attributing the series to Russia on 6 October.

Responsibility and limits of the evidence

officially attributed

A court or a competent state body has attributed it. That is not the same as a proven attack: an indictment is an allegation, not a verdict.

Named party: Russian Federation, according to Ukraine’s president

B - official attribution by a state body

Prezydent Ukrainy Wołodymyr Zełenski / 2026-10-06 / carrying out the act

According to AP, Ukraine’s president attributed the series of attacks on two ships to Russia. Bulgaria’s prime minister did not name the operator; drone origins were under investigation. Grade B describes attribution by a Ukrainian state authority, not a finding by Bulgarian investigators.

Prezydent Bułgarii Iliana Jotowa, wywiad bTV przytoczony przez Flagman / 2026-10-12 / carrying out the act

On 12 October, Bulgaria’s president Iliana Yotova said that the perpetrator and devices’ origin remained undetermined. EMSA was asked for an underwater device to inspect the Alfa Watan wreck; this is a request for assistance, not a completed expert examination. This is Bulgaria’s position, separate from Ukraine’s president attributing the series to Russia on 6 October.

Impact

killed
not established
injured
not established
damage
property damage

10 crew members missing. The search ended without finding them; confirmed death and injury counts remain undetermined.

pending editorial review

Source discrepancy

The map describes the entire crew as dead; the report confirms 10 missing people, not 10 established deaths.

What happened next

The Maritime Administration confirmed that the search ended on 6 October at 17:00 without finding the crew.

The navy confirmed the wreck at a depth of approximately 2,000 metres. The toll remains 10 missing, without an established death count.

On 12 October, Bulgaria’s president Iliana Yotova said that the perpetrator and devices’ origin remained undetermined. EMSA was asked for an underwater device to inspect the Alfa Watan wreck; this is a request for assistance, not a completed expert examination. This is Bulgaria’s position, separate from Ukraine’s president attributing the series to Russia on 6 October.

Sources

  1. Bulgaria calls off search for 10 missing sailors after drone attack sinks cargo ship

    Euronews / 2026-10-06 / secondary source

    supports: the record, that it happened, the date, the location, the impact

  2. Bulgaria’s leader says drone attack hits 2 commercial vessels, and Ukraine’s president blames Russia

    Associated Press / 2026-10-06 / secondary source

    supports: the record, that it happened, the date, the location, the attribution

  3. Briefing bułgarskiej marynarki o Able i Alfa Watan

    Maritime.bg / 2026-10-09 / secondary source

    supports: the record, the impact

  4. Илияна Йотова: Няма доказателства кой атакува корабите в Черно море, няма да обвиняваме никого прибързано

    Flagman / 2026-10-12 / secondary source

    supports: the record, the attribution