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Black Sea drone attack on Chelsea-3 vessel

Updated 8 times since CLSTR started tracking revisions of this situation.

What changed

2026-10-21 11:45 UTC → 2026-10-21 16:24 UTC · added removed

The Maltese-flagged vessel Chelsea-3, which was struck by drones in the Black Sea on October 13, has been towed to the port of Burgas, Bulgaria, following a high-risk salvage operation. All 15 crew members—comprising seven Ukrainians and eight Azerbaijanis—were rescued and transported to Varna. Inspections revealed three significant hull breaches on the starboard side, port side, and stern. The attack, involving three drones, occurred approximately 18 nautical miles east of Beyala within Bulgaria's exclusive economic zone. Bulgarian authorities, including the Military Prosecutor's Office, have launched a pre-trial investigation to determine the origin of the drones and the nature of the explosives used, with support from allied technical teams. Bulgarian officials are working to clarify the nature of debris found on the ship. While Transport Minister Georgi Peev confirmed that remains have been recovered, Defense Minister Dimitar Stoyanov noted that technical expertise is still required to determine if the remains originated from the drones or the ship's own hull. To bolster maritime security, Bulgaria is increasing surveillance in the Black Sea with NATO support. This includes the deployment As of a US Boeing P-8A Poseidon reconnaissance aircraft and October 21, forensic investigations continue in Burgas. Specialized teams, including Counter-Terrorism Special Forces, have recovered debris from the activation of two Bulgarian unmanned systems, with a third expected hull for chemical analysis to join shortly. Despite identify the strike, Prime Minister Rumen Radev and Minister Peev reported explosive substances used. Prosecutor Kiril Peychinov noted that maritime traffic to while some suggest the ports of Varna and Burgas fragments are from drones, this remains stable, with vessel numbers reportedly 30% higher than unconfirmed. Between 11 and 15 surviving crew members have been questioned by an arbitrator. Access to the same period last year. The Bulgarian government continues vessel remains restricted due to coordinate the ongoing inquiry. To bolster security, Bulgaria has expanded its Black Sea surveillance, with Romania and Turkey and is developing alternative measures, such as increased rail transport, to protect grain exports if sea routes are compromised. a third unmanned system having completed its initial flights.

Versions

  1. 2026-10-21 16:24 UTC Black Sea drone attack on Chelsea-3 vessel
  2. 2026-10-21 11:45 UTC Black Sea drone attack on Chelsea-3 vessel
  3. 2026-10-21 10:39 UTC Black Sea drone attack on Chelsea-3 vessel
  4. 2026-10-20 14:11 UTC Black Sea drone attack on Chelsea-3 vessel
  5. 2026-10-20 13:02 UTC Black Sea drone attack on Chelsea-3 vessel
  6. 2026-10-20 08:52 UTC Black Sea drone attack on Chelsea-3 vessel
  7. 2026-10-19 07:09 UTC Black Sea drone attack on Chelsea-3 vessel
  8. 2026-10-18 16:43 UTC Black Sea drone attack on Chelsea-3 vessel
  9. 2026-10-18 07:35 UTC Black Sea drone attack on Chelsea-3 vessel

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