A/HRC/RES/43/28 and torture by, among other actions, ending and preventing the recruitment and use of children in the armed conflict, immediately, safely and unconditionally releasing children and handing them over to civilian child-protection actors, and ensuring that such authorities have access to detained children associated with armed groups; 25. Calls upon the Syrian authorities and all other parties to the conflict to ensure the effective implementation of Security Council resolutions 2139 (2014) of 22 February 2014 and 2254 (2015), 1325 (2000) and 2122 (2013) of 18 October 2013, and to adhere to their obligations under international law, in particular to end arbitrary detention, torture and sexual and gender-based violence in the Syrian Arab Republic, notably in prisons and detention facilities, as well as kidnappings, abductions and forced disappearances, as demanded by the Council in its resolution 2139 (2014) and by the Commission of Inquiry in its recommendations; 26. Expresses deep concern at reports of mass executions and torture of prisoners, and at the number of deaths among individuals detained by the Syrian authorities, including in Syrian Military Intelligence facilities and military hospitals, as evidenced by the issuing of thousands of death notifications, which provides further indication of systematic violations of international human rights law and international humanitarian law, and urges them to provide families with death certificates and the remains of their relatives whose fate has been disclosed, including those who have been summarily executed, to take all appropriate measures immediately to protect the lives and rights of all persons currently detained or unaccounted for, and to clarify the fate of those who remain missing or are still in custody; 27. Recognizes the permanent damage that torture and ill-treatment, including sexual and gender-based abuse and violence, causes to its victims and their families, and condemns the denial of medical services in all prisons and detention facilities; 28. Strongly condemns the use of sexual and gender-based violence, torture and ill-treatment, particularly in detention facilities run by the Syrian authorities, including those acts referenced by the Commission of Inquiry in its reports and those depicted in the evidence presented by “Caesar” in January 2014, and recalls that such acts may constitute violations and abuses of international human rights law or violations of international humanitarian law; 29. Also strongly condemns the continued widespread practices of enforced disappearance and arbitrary detention, notably widespread in areas where the Syrian authorities have retaken control, and notes that the Commission of Inquiry has comprehensively highlighted that the arbitrary detention of tens of thousands of individuals represents an urgent and large-scale crisis of human rights protection; 30. Urges all parties to take heed of the recommendations made by the Commission of Inquiry on the issue of detainees, in particular its calls for appropriate international monitoring bodies to be granted immediate access without undue restriction to all detainees and detention facilities, and for all parties, in particular the Syrian authorities, to publish a list of all detention facilities, to allow access to medical services for all detainees and to provide information on those whom they have detained to their families; 31. Demands the immediate release of all persons arbitrarily detained, including women, children, older persons, persons with disabilities, human rights defenders, humanitarian aid providers, medical personnel, the wounded and sick, and journalists, and notes the importance of ensuring justice for those arbitrarily detained; 32. Underlines the need for further sustained and large-scale concrete steps by the Working Group on the release of detainees/abductees, the handover of bodies and the identification of missing persons, composed of Turkey, the Russian Federation and the Islamic Republic of Iran, as well as the United Nations, and encourages the members of the Working Group to further advance and expand their efforts in fulfilling its mandate; 33. Welcomes Security Council resolution 2474 (2019) of 11 June 2019, and calls upon parties to the armed conflict in the Syrian Arab Republic to take all appropriate measures to actively search for persons reported missing, to enable the return of their remains, to record and identify all those killed, to account for persons reported missing without adverse distinction, and to put in place appropriate channels enabling response and communication with families on the search and recording process, to take appropriate measures to prevent 6