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