Situation of human rights in the Syrian Arab Republic A/RES/73/182 28. Recalls the statements made by the Special Envoy of the SecretaryGeneral for Syria, Mr. Staffan de Mistura, indicating that the overwhelming majority of the civilian casualties in the Syrian Arab Republic have been caused by the indiscriminate use of aerial bombardments, demands in this re gard that the Syrian authorities immediately cease any attacks on civilians, any disproportionate attacks and any indiscriminate use of weapons in populated areas, and recalls in this regard the obligation to respect international humanitarian law in all c ircumstances; 29. Emphasizes the need for accountability for crimes involving breaches of international law, in particular of international humanitarian law and human rights law, some of which may constitute war crimes or crimes against humanity, committ ed in the Syrian Arab Republic since March 2011, through fair and independent investigations and prosecutions at the domestic or international level; 30. Urges all Member States and parties to the conflict to cooperate fully with the International, Impartial and Independent Mechanism to Assist in the Investigation and Prosecution of Persons Responsible for the Most Serious Crimes under International Law Committed in the Syrian Arab Republic since March 2011, including through the provision of relevant information and documentation, stresses its mandate to closely cooperate with the Commission of Inquiry, and also urges the Mechanism to make a particular effort to ensure consultation and cooperation with Syrian civil society organizations; 31. Welcomes the reports of the Mechanism for 2017 and 2018, 42 and invites the Head of the Mechanism to prepare the reports of the Mechanism for presentation on an annual basis in the month of April at a plenary meeting of the General Assembly, starting at its seventy-third session, under the agenda item entitled “Prevention of armed conflict”, within existing resources; 32. Also welcomes the voluntary contributions made by Member States to the funding of the Mechanism, invites all Member States to make additional financi al contributions, and notes the steps taken by the Secretary-General in response to the call to include the necessary funding for the Mechanism in his next budget proposal; 33. Emphasizes the need to ensure that all those responsible for violations of international humanitarian law or violations and abuses of human rights law are held to account through appropriate, fair and independent domestic or international criminal justice mechanisms, in accordance with the principle of complementarity, stresses the need to pursue practical steps towards this goal, and for that reason encourages the Security Council to take appropriate action to ensure accountability, noting the important role that the International Criminal Court can play in this regard; 34. Welcomes the efforts by States to investigate conduct in the Syrian Arab Republic and to prosecute crimes within their jurisdiction committed in the Syrian Arab Republic, encourages them to continue to do so and to share relevant information between States in accordance with their national legislation and international law, and also encourages other States to consider doing the same; 35. Deplores the deteriorating humanitarian situation in the S yrian Arab Republic, and urges the international community to assume its responsibility for providing urgent financial support to enable the host countries and communities to respond to the growing humanitarian needs of Syrian refugees, while emphasizing t he principle of burden-sharing; __________________ 42 18-22278 A/72/764 and A/73/295. 11/13