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,

LONDON (AP) — The captain of a cargo ship that collided with a U.S. tanker is a Russian national who remains in U.K. police custody, the vessel’s owner said Wednesday, as it emerged that the ship failed several safety checks last year.

The captain arrested in a crash into a U.S. flagged tanker off the coast of England is a Russian national, the owner of the vessel said on Wednesday.

U.K. police say the Solong cargo ship's captain, identified by the vessel's owner as a Russian national, was detained on suspicion of negligent manslaughter.

Ernst Russ AG, the German owner of the Portuguese-flagged Solong, told Reuters the 59-year-old captain, who was arrested on suspicion of gross negligence manslaughter following the incident Monday morning, is Russian.

The captain of the cargo ship that crashed into an oil tanker anchored off the coast of Britian Monday has been arrested.

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.

The container ship Solong collided with the Stena Immaculate, a vessel that had been chartered by the U.S. military.

The Portugese-flagged cargo ship struck the larger oil tanker in waters off Hull just before 10:00 on Monday. The Stena Immaculate tanker had been anchored there after making its way to Hull from a Greek port.