An IS cell consisting of two Russian nationals and three citizens of Central Asian countries was exposed; they "planned to carry out subversive and terrorist acts," the statement said.
Communication devices with instructions from the international terrorist organization's emissaries were seized from the suspects during an operation in Moscow, TASS reported.
"An arms cache was found, which contained a Kalashnikov rifle, a Makarov pistol, ammunition and an improvised explosive device," according to the FSB. The defendants have been taken into custody, and a criminal case has been opened, the statement added.