On 14 May 2010 , the Russian news agency Novosty carried a news item stating that "Russian security services have uncovered an underground terrorist cell( in Tyumen -West Siberia) of the Islamic organization Hizb ut Tahrir al-Islami, which is considered a terrorist group by Russian authorities"; the statement further stated that "Russia, accuses the movement of having links to radical Islamist groups in Chechnya"