A U.S.-flagged tanker heading for Bahrain was approached and threatened by Iranian gunboats in the Strait of Hormuz, a British maritime security firm says.

Iranian gunboats unsuccessfully attempted to intercept a US oil tanker in the Strait of Hormuz on Tuesday before a US Navy vessel intervened, reports say.

A Russian sea captain failed to keep a proper lookout before his ship crashed into an oil tanker off the coast of Yorkshire, killing a crew member, a judge has ruled.

The supply of tankers is set to increase, which will eventually exceed demand growth.

Officials say that France’s navy, working with intelligence provided by the United Kingdom, intercepted an oil tanker in the Mediterranean Sea that traveled from Russia, in a mission targeting the sanctioned Russian shadow fleet.

Iranian media said the country’s naval forces warned a vessel to leave Iranian territorial waters after failing to produce the necessary legal documents.

Dramatic CCTV footage captured the moment both ships were consumed in a massive blaze ignited by leaking fuel from the Stena Immaculate.

A Russian oil tanker was intercepted between Spain and Morocco as western powers intensify efforts to disrupt Moscow's sanctions-evading shadow fleet operations.

Vladimir Motin had been on sole watch duty when his cargo ship, the Solong, collided with the anchored Stena Immaculate off northeast England.