Boko Haram uses its hostages as conscripts and sex slaves , according to authorities . Islamist terror group abducted 97 people last week , security sources say . Chadian security forces stopped a convoy along Lake Chad . The militants were holding the hostages and demanding that they be released or killed in exchange for their release.
Islamist terror group abducted 97 people last week , security sources say . Chadian security forces stopped a convoy along Lake Chad . The militants were holding the hostages and demanding that they be released or killed in exchange for their release.