A/RES/56/135 of refugees, returnees and displaced persons for protection and assistance and to contribute generously to national projects and programmes aimed at alleviating their plight; 10. Notes also the link, inter alia, between human rights violations, poverty, natural disasters and environmental degradation and population displacement, and calls for redoubled and concerted efforts by States, in collaboration with the Organization of African Unity, to promote and protect human rights for all and to address these problems; 11. Encourages the Office of the United Nations High Commissioner for Refugees to continue to cooperate with the Office of the United Nations High Commissioner for Human Rights and the African Commission on Human and Peoples’ Rights, within their respective mandates, in the promotion and protection of the human rights and fundamental freedoms of refugees, returnees and displaced persons in Africa; 12. Notes with appreciation the ongoing mediation and conflict resolution efforts carried out by African States, the Organization of African Unity and subregional organizations, as well as the establishment of regional mechanisms for conflict prevention and resolution, and urges all relevant parties to address the humanitarian consequences of conflicts; 13. Expresses its appreciation and strong support for those African Governments and local populations that, in spite of the general deterioration of socio-economic and environmental conditions and overstretched national resources, continue to accept the additional burden imposed upon them by increasing numbers of refugees and displaced persons, in compliance with the relevant principles of asylum; 14. Expresses its concern about instances in which the fundamental principle of asylum is jeopardized by unlawful expulsion or refoulement or by threats to the life, physical security, integrity, dignity and well-being of refugees; 15. Calls upon States, in cooperation with international organizations, within their mandates, to take all necessary measures to ensure respect for the principles of refugee protection and, in particular, to ensure that the civilian and humanitarian nature of refugee camps is not compromised by the presence or the activities of armed elements; 16. Deplores the deaths and injuries and other forms of violence sustained by staff members of the Office of the United Nations High Commissioner for Refugees, and urges States, parties to conflict and all other relevant actors to take all necessary measures to protect activities related to humanitarian assistance, to prevent attacks on and kidnapping of national and international humanitarian workers and to ensure their safety and security, calls upon States to investigate fully any crimes committed against humanitarian personnel and bring to justice persons responsible for such crimes, and calls upon organizations and aid workers to abide by the national laws and regulations of the countries in which they operate; 17. Calls upon the Office of the High Commissioner, the Organization of African Unity, subregional organizations and all African States, in conjunction with organizations of the United Nations system, intergovernmental and nongovernmental organizations and the international community, to strengthen and revitalize existing partnerships and forge new ones in support of the international refugee protection system; 4