Lloyd's List is tracking an "acceleration" of Russian-flag tankers involved in the movement of Venezuelan-sanctioned oil. New data on the shadow fleet shows an increasing number of tankers are seeking the protection of Moscow by changing their flag of registration to Russia.

US forces are attempting to seize a Venezuela-linked, Russia-flagged ship in the north Atlantic that’s been at the center of a dramatic sea chase across the ocean, according to people familiar with the matter.