A tararayyar Najeriya yayin da Jihohin arewa maso tsakiya na cigaba da fuskantar matsalar rikicin makiyaya da manoma, shugaba kasar Muhammadu Buhari ya zargi tsohon shugaban kasar Libiya da hanu wajen baiwa makiyaya makamai a yankin yammacin Afirka shekarun baya.