Cameroon's army, backed up by a regional task force, killed at least 100 members of the militant Islamist Boko Haram group and freed 900 hostages, the army and defense ministry say. For more on what is happening in and around Nigeria, VOA’s Vincent Makori is joined by Andrew Palczewski, VOA's social media engagement analyst and Aliyu Mustapha, managing editor Hausa service. Originally published at - http://www.voanews.com/media/video/30...