The captain of the Solong cargo ship who was arrested after crashing into an oil tanker off the coast of England is a Russian national, the ship’s owner Ernst Russ said Wednesday.

An oil tanker reportedly on fire in the North Sea after colliding with a cargo vessel. Lifeboats and a coastguard helicopter were called to the collision in the Humber Estuary on Monday morning, believed to involve a US-flagged tanker called the MV Stena Immaculate.

The master of the feedermax arrested after a fiery collision with a laden tanker in the North Sea is a Russian national, shipowner Ernst Russ confirmed Wednesday.