Finland’s police and border patrol have boarded the Eagle S oil tanker, which is part of Russia’s shadow fleet while investigating the cause of an interruption of subsea power and data cables linking Finland with Estonia, Finnish police said on Thursday. The tanker, Eagle S, was traveling in the Baltic Sea under the flag of the Cook Islands and was fully loaded with unleaded gasoline, the Finnish police and other authorities said at a news conference, as carried by Bloomberg. The Eagle S was spotted to be missing its anchor and it could…