The Swedish police conducted a special operation on a cargo ship with a Russian crew in the Baltic Sea, TV4 channel writes. The ship belongs to a company previously linked to investigations of Russian hybrid attacks. According to the TV channel, the ship's crew consists of Russian citizens. The police checked her documents, and apparently a national task force was involved in the operation. The ships of this company were previously involved in investigations into the appearance of UFOs in Europe. They were suspected of being used as bases for Russian special services UAVs. The European intelligence agencies believe that they are probably acting in the interests of the Russian Federation.