Key facts
- Bulgaria expects to join a NATO anti-drone initiative by October 30.
- Two cargo ships were hit by drones off Bulgaria's coast on October 13.
- One of the hit cargo ships, the HS Dignity, sank.
- Eleven sailors are missing following the sinking of the HS Dignity.
- Drones also struck two cargo ships on October 6 in the same waters.
Bulgaria is set to join a NATO anti-drone initiative by the end of October, according to Defence Minister Dimitar Stoyanov. The announcement comes after two cargo ships were hit by drones off the Bulgarian coast on October 13, with one vessel, the HS Dignity, sinking and 11 sailors reported missing. This incident follows a similar drone attack on two other cargo ships in the same waters on October 6.