IPOB alleges that ex- president, Olusegun Obasanjo, is plotting to overthrow the administration of President Muhammadu Buhari - The group says Obasanjo’s call for Nnamdi Kanu to be stopped is an invitation for the army to plot a coup in Nigeria - IPOB says if anything happens to Nnamdi Kanu or a military coup takes place in the country, Obasanjo should be held responsible The Indigenous People of Biafra (IPOB) has accused former president, Olusegun Obasanjo, of plotting to assassinate its leader, Nnamdi Kanu, through military coup.Â