Dembra Ould Semane, the brother of Salafist prisoners Mohamed and El Khadim Ould Semane, was arrested on terrorism charges. Security forces have stepped up monitoring of Salafists who might be joining al Qaeda in the Islamic Maghreb and affiliated groups. The popularity of Islamist parties and AQIM is rising in the country, where 59 percent of the population is under 25 and unemployment is rife.
