The captain of the Solong cargo ship who was arrested after crashing into an oil tanker off the English coast is a Russian national, the vessel’s owner said Wednesday, as maritime experts search for answers.

Most of the jet fuel onboard the U.S.-flagged tanker Stena Immaculate that was hit by a container ship in a collision off Britain's coast remains contained and only two of the vessel's 18 fuel tanks have leaked,

U.K. police have opened a criminal investigation into a collision between two ships in the North Sea and have arrested a man on suspicion of manslaughter.

The tanker that was hit at anchor off the coast of England in the North Sea was under contract by Military Sealift Command in support of the Defense Logistics Agency, USNI News has learned. The U.S.-flagged MV Stena Immaculate was at anchor when Portugeuse-flagged container ship MV Solong struck the tanker at about 5:48 a.

Collision area has massive populations of seabirds, such as puffins and gannets, while porpoises and seals breed nearby

The captain of the cargo ship MV Solong, which rammed into a US oil tanker off the British coast, has been identified as a Russian national

The U.S.-flagged tanker Stena Immaculate collided with the Portuguese-flagged Solong container ship, resulting in the leakage of jet fuel. Two of the ship's 18 fuel tanks have leaked, but the majority of the fuel remains contained.

A U.S. oil tanker carrying jet fuel and a cargo ship collided and caught fire off the English coast.

Salvage crews headed to a damaged jet fuel tanker off the coast of England on Tuesday, a day after it was hit by a container ship in an unexplained collision that has raised concerns of an environmental disaster.