In an exclusive interview with Al Jazeera, Nigeria's President Goodluck Jonathan vowed to defeat Boko Haram.

The armed group has killed thousands of people in the country's north east.

Jonathan denied mishandling the Boko Haram crisis, and allegations a recent step up in military operations against the group, was politically motivated. He also expressed fears about violence during the upcoming presidential election which was postponed because of a lack of security.

The President also touched on corruption. And whether the country's elections will be moved again.

Yvonne Ndege spoke to the president in Lagos.