Nigeria's Former President Ibrahim Babangida long term confidant Professor Ukandi G. Damachi had alleged to the United states council that former president Yar'Adua was poisoned by Ex President Obasanjo's Kitchen staff.Nigeria's Former President Ibrahim Babangida long term confidant Professor Ukandi G. Damachi had alleged to the United states council that former president Yar'Adua was poisoned by Ex President Obasanjo's Kitchen staff.