A naval drone struck an oil tanker off Sochi and crude is burning openly in the Black Sea, per Russia's transport ministry — all 23 crew rescued. Bulgaria's PM says two commercial vessels were hit by

What happened: A naval drone struck an oil tanker off Russia's Black Sea coast near Sochi, causing a large fire and black smoke over parts of the city. Bulgaria's prime minister said two commercial vessels were hit by drones in its Black Sea zone. Key numbers: Crew of 23, all Indian citizens, rescued. Why it matters: The attacks widen targeting of commercial shipping in the Black Sea. Bulgaria called the strike in its exclusive economic zone a violation of international law. Zelenskyy blamed Russia and warned of a likely massive strike; Kyiv was attacked hours later.

A naval drone struck an oil tanker off Russia's Black Sea coast near Sochi, causing a large fire and black smoke over parts of the city. Bulgaria's prime minister said two commercial vessels were hit by drones in its Black Sea zone.

The attacks widen targeting of commercial shipping in the Black Sea. Bulgaria called the strike in its exclusive economic zone a violation of international law. Zelenskyy blamed Russia and warned of a likely massive strike; Kyiv was attacked hours later.