Stresses the need to ensure accountability for those responsible for the massacre in Al Qusayr, and also stresses that those responsible for the serious violations of international humanitarian law and international human rights law in the Syrian Arab Republic must be held to account; reaffirms that the Syrian people, on the basis of broad, inclusive and credible consultations, should determine, within the framework provided for by international law, the process and mechanisms to achieve justice, reconciliation, truth and accountability for gross violations, as well as reparations and effective remedies for victims, while underlining the relevance of referrals to the appropriate international criminal justice mechanism under appropriate circumstances;