Islamic extremism at number of Britain`s leading mosques London, Jan 07: An undercover investigation by a leading daily has revealed disturbing evidence of Islamic extremism at a number of Britain's leading mosques and Muslim institutions, including an organization praised by Prime Minister Tony Blair. According to the 'Observer', secret video footage revealed Muslim preachers exhorting followers to prepare for jihad, to hit girls for not wearing the Hijab, and to create a "state within a state." Many of the preachers are linked to the Wahhabi strain of Islam practiced in Saudi Arabia, which funds a number of Britain's leading Islamic...