MOSCOW, June 23 (RIA Novosti) - Russia's Federal Security Service (FSB) exposed conspiring groups from the Hizb ut-Tahrir extremist organization, which were operating in the Moscow region, between 2003 and 2004, FSB Anti-terrorist Department head Yuri Sapunov said Thursday.

Since 2000, Russia's special services have registered members of the terrorist organizations Moslem Brothers, Hizb ut-Tahrir and the Islamic Movement of Uzbekistan. The FSB discovered grassroots groups of these organizations in 50 districts of the country.