Any intelligence service does not know who blew up "Severny potok"

At present any intelligence service cannot unambiguously call guilty of blasting "Severny potok". As reports Vesti.az with reference to News, Bruno Kal on May 22 chapter of Federal intelligence service of Federal Republic of Germany , acting in Federal academy of policy of safety. "No country, any intelligence service in the world is able to attribute now it to someone specifically. Perhaps it also will exchange, there are noticeable achievements in a consequence", - Bruno Kal told. Also it reminded that work of criminalists is complicated strongly by the place of diversion located on a seabed, however...