A/RES/51/195 Page 6 Expressing its support for the continuing efforts of the United Nations Special Mission to Afghanistan headed by Mr. Norbert Holl to bring about the restoration of peace, normalcy and national reconciliation, through a political process in which all segments of Afghan society are represented, Expressing its appreciation for the efforts of the Organization of the Islamic Conference in support of the Special Mission and the engagement of that organization in Afghanistan, in coordination with the United Nations, with a view to achieving a just and lasting political settlement, Stressing the need to prevent further civilian casualties, Stressing also the importance of non-intervention and non-interference in the internal affairs of Afghanistan, Deeply concerned at the continued supply of weapons, military equipment and ammunition to the Afghan parties, which has further contributed to the deaths of innocent civilians and the destruction of cities, villages and homes and has encouraged the factions in their futile efforts to settle political differences by military means, Expressing its mounting concern about actions undermining the security of State frontiers, including the growing illicit traffic in arms and narcotics by criminal elements and groups from certain areas of Afghanistan and about the use of Afghan territory for the training and harbouring of terrorists, which create a threat to peace and stability in the entire region, including Afghanistan, Bearing in mind that Afghanistan, as a State party to the Convention for the Protection of the World Cultural and Natural Heritage11 of 16 November 1972, has recognized its primary duty to ensure the identification, protection, conservation, presentation and transmission to future generations of, inter alia, the cultural heritage situated on its territory, Bearing in mind also the close interrelationship between ensuring peace and normalcy in Afghanistan and the ability of the country to take effective steps towards revitalizing the economy, and stressing that a cessation of armed hostilities between the warring parties in Afghanistan and political stability are indispensable if reconstruction measures are to have a lasting effect, 1. Takes note of the report of the Secretary-General,5 and endorses the observations and recommendations set out therein; 2. Stresses that the main responsibility for finding a political solution to the conflict lies with the Afghan parties; 3. Calls upon all Afghan parties to cease immediately all armed hostilities, to renounce the use of force, to put aside their differences and to engage in a political dialogue aimed at achieving national reconciliation and a lasting political settlement of the conflict and establishing a fully representative and broad-based transitional government of national unity; 11 United Nations, Treaty Series, vol. 1037, No. 15511. /...