 Hizb ut-Tahrir activity is primarily in northern Tajikistan near the Fergana Valley.The Tajik government arrested 99 members of Hizb ut-Tahrir in 2005, sixteen of whom were women, and 58 members in 2006.Out of the 92 extremist suspects detained in 2006, 63% were suspected of membership in Hizb ut-Tahrir.