Security in the Black Sea region: is Bulgaria the weak link in Europe’s defense against threats from Russia?

Image: BBC News
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Coverage
Wires & papers of record
- It is not clear who is behind the attacks which come as Russia intensifies strikes in the Black Sea as part of its war against Ukraine.
- A rescue effort was underway, Prime Minister Rumen Radev said, after one of the two ships sank. It was not immediately clear where the drones originated.
Coverage
- Two dead after ship sinks off Romania following fire
- Bulgaria launches search operation after Togo-flagged Alfa Watan sinks at scene of attack.
- Ship sinks off Bulgaria after drone attack in Black Sea
- Rescuers halt operation off the coast after finding no survivors.
- Two ships have sunk off the coast of Bulgaria and Romania after drone attacks in recent days. Sofia has held back on pointing the finger at Russia. What does that mean for security in the Black Sea and the region?