French and British ships stopped a Russian oil tanker. This happened in the Mediterranean Sea. The ship went to Marseille-Fos port. It is being checked for breaking rules. French police said the ship is called 'Grinch'. They do not know its country. People ask who owns it.
The ship was in the sea near Spain and Morocco. A navy ship and two helicopters were used. Soldiers took control of the tanker. The 'Grinch' left Russia in January. It was going to France.
The ship might be part of a "shadow fleet." This fleet helps Russia sell oil. The ships hide from rules. These rules are because Russia attacked Ukraine. This helps Russia get money.
The 'Grinch' used a flag from Comoros. It may also be under UK rules. Another ship with the same number is already in trouble. This shows a plan to hide the ship.
Police want to know who owns the 'Grinch'. It is hard to know its country. This means someone is hiding things. The check will show how Russia sells oil. The stop shows ships are watching. The world is serious about rules.