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.

On Monday, in a tragic incident, a Portuguese-flagged cargo vessel called Solong, carrying toxic chemicals, crashed into a US-flagged tanker carrying jet fuel for the US Army off the UK coast. According to the reports quoting Solong’s owner,

The fire on an oil tanker involved in the crash in the North Sea has finally gone out, several days after it collided with a container ship near the Humber Estuary. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.