Nigerian security forces have launched new operations to dislodge Boko Haram and Islamic State-affiliated fighters who have overrun several towns and villages in the Northeast and West of the country. Amid increasing attacks and the ambush of security personnel, officials are optimistic the new push will encourage the return of commercial and agricultural activities as the country faces worsening food crisis. Former Nigeria Army spokesman and retired Brigadier-General Sani Usman tells VOA’s Chinedu Offor the jihadist groups are on the run.