UPDATE 1 — Drone sinks Ukrainian — owned ship off Bulgaria's Black Sea coast, prime minister says
(Adds details, changes media keywords from BULGARIA-INCIDENT/DRONE ) 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 b