Strikes on four vessels signal that Kyiv is willing to expand the maritime theater of the conflict in an effort to crimp Moscow’s military funding.

Oil tankers hauling Russian crude across the Black Sea are taking a roundabout route along the coastlines of Georgia and Turkey — a measure that might help them to reduce the risk of being targeted by Ukrainian sea drones.

Trump orders total blockade of Venezuelan oil tankers as the South American nation controls world's largest oil reserves with over 300 billion barrels.

Putin claims no "willingness from Ukraine" to negotiate a peace deal as he touts battlefield gains, and Kyiv claims a brazen strike on a ship far from Russia.