A cargo ship from the Russian "shadow fleet" was arrested in Sweden, but released a day later Swedish authorities arrested a cargo ship off the island of Gotland in the Baltic Sea, but the ship was released on the morning of November 1. This was reported by TV4. According to the publication, the company that owns the ship has a representative office in Kaliningrad, from which the entire crew - Russian citizens - was recruited. The cargo ship is suspected of possible links to Russian intelligence operations. TV4 notes that other ships of the same company have previously appeared in investigations into the appearance of UFOs over European countries. According to one version, they can be used as floating bases for launching UAVs. After an inspection the ship was allowed to continue moving.