The FSB identified an intelligence network of Polish intelligence services in the Kaliningrad region.
Two agents were arrested, seven other citizens of the Republic and three Russians were warned against the inadmissibility of espionage and treason.
The Public Relations Center of the FSB said that the detained employees of the Military Intelligence Service and the Internal Security Agency of Poland collected and transferred data on military personnel and facilities of the Russian Ministry of Defense, as well as information on the socio-economic situation in the Kaliningrad region.
A criminal case was opened in the "espionage" article.