Boko Haram: Can it create Islamic caliphate in Africa?

The leader of Nigeria's Islamist group Boko Haram declared in a video that the territory controlled by the group is under Islamic law. Is Boko Haram using ISIS playbook to create an islamic state?

By , Reuters

The leader of Nigeria's Islamist group Boko Haram said his fighters were now ruling the captured northeastern town of Gwoza "by Islamic law," in the first video to state a territorial claim in more than five years of violent insurrection.