OREANDA-NEWS  In Donetsk, Maikop and Omsk, FSB officers detained four spies who worked for the special services of Ukraine. This is reported by TASS.

Three of them turned out to be Russian citizens, and another was a foreigner. The detainees were promised a large reward and travel to Europe. A criminal case was opened against all four of them under several articles. They were arrested.

According to investigators, the agents, on the instructions of their supervisors, collected information about participants in a special military operation (SVO), objects of military-industrial and fuel-energy complexes for further terrorist attacks.

Earlier, law enforcement officers uncovered a Polish spy network in the Kaliningrad region.