Universal Declaration of Human Rights, Article 14
Everyone has the right to seek and enjoy in other countries asylum from persecution.
OAU (AU) Convention Governing the Specific Aspects of Refugee Problems in Africa, Article 2
Member States of the OAU(AU) shall use their best endeavours consistent with their respective legislations to receive refugees and to secure the settlement of those refugees who, for well-founded reasons, are unable or unwilling to return to their country of origin or nationality.