Six members of an Islamic political party labeled a terrorist group by Russian authorities have been arrested for recruiting volunteers in mosques, police say. Moscow police said in a statement the \"activity\" of the Islamic Revival Party \"has been intercepted,\" RIA Novosti reported Monday. Hand grenades, weapons, ammunition and extremist literature were found in searches of the suspects\' homes, police said. A registered political party, the IRP is Russia\'s main political rival in Tajikistan. The party calls for creation of an Islamic republic.