Cameroon says its army, backed up by a regional task force, has killed at least 100 members of the militant Islamist Boko Haram group. 900 people being held hostage by the group have also been freed. For more News visit: http://www.sabc.co.za/news Follow us on Twitter: https://twitter.com/SABCNewsOnline?la... Like us on Facebook: / sabcnewsonline