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.

A cargo ship carrying a toxic chemical hit a tanker carrying jet fuel for the U.S. military off England, setting both vessels on fire and sending fuel pouring into the North Sea.

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.