"The Federal Security Service of the Russian Federation has dismantled a criminal network involved in the manufacture and proliferation of improvised explosive devices (IEDs), firearms and ammunition in the North-West Federal District," the statement read.
Local investigative bodies have initiated criminal proceedings over the illegal acquisition, stockpiling and possession of weapons and ammunition, the FSB noted.
"As a result of investigative actions, 36 IEDs, more than 1,300 grams of explosive and its components, 19 firearms … 1,400 different cartridges, two grenades, over 100 arms parts, as well as tools for their repair and manufacture have been seized," the statement read.