Fitsanakis, Joseph. Bulgaria confirms arrest of six-member spy-ring allegedly working for Russia // intelNews, March 22, 2021. On Friday, March 19, the Bulgarian government confirmed the BNT report, saying that six Bulgarian citizens had been charged with espionage on behalf of the Main Directorate of the General Staff of the Russian Armed Forces, known commonly as GRU. The GRU is Russia’s foremost military intelligence agency. The six alleged spies reportedly gave Moscow secrets about Bulgarian military affairs, as well as information concerning the North Atlantic Treaty Organization (NATO) and the European Union (EU).
