Three women who claim they were held in the same camps as some of the Chibok girls have told the BBC's Panorama programme that some of them have been brainwashed and are now carrying out punishments on behalf of the militants.
3 dumar ah oo sheegay in lagu hayey isla xeradii lagu hayey gabdhaha Chibok ayaa u sheegay barnaamijka Panorama ee BBCda ka baxa in qaar ka mid ah maskaxda laga beddelay oo hadda ay ciqaabaha u fuliyaan mintidiinta.