Among them are three Russians and one foreigner, the FSB noted. Arrests were made in Maykop, Omsk and Donetsk.
According to the intelligence service, they collected information about the Russian army participating in the Northern Military District, as well as objects of the defense industry and the fuel and energy complex at the behest of Ukrainian treasurers. The department also added that it is planned to carry out terrorist attacks in the future.
In addition, they spread calls for terrorist activity on the Internet. For their cooperation they were promised a large cash prize and trips to the European Union.
The FSB added that an improvised explosive device and a hand grenade were seized from the detainee in Donetsk.
Photo: Natalia Gubernaturova.