A criminal investigation into the cause of the collision between two ships in the North Sea has been launched and police have confirmed that a 59-year-old man has been arrested.

The owner of one of the vessels has confirmed that the man is the master of the Solong cargo ship.

BBC Verify’s Nick Eardley has been piecing together what we know about incident which happened on Monday morning.

Additional reporting by Joshua Cheetham, Jake Horton and Ned Davies. Produced by Jemimah Herd. Graphics by Jacqueline Galvin.