A/HRC/43/57 (b) Conduct independent, impartial and credible investigations into incidents in which their forces are implicated and ensure that those responsible are held accountable. The findings of such investigations should be made public; (c) Cease using unguided weapons and weapons with wide-area effects, including cluster munitions and blast weapons, in densely civilian populated areas. 102. The Commission recommends that non-State armed groups: (a) Cease all kidnappings, hostage-taking and arbitrarily detaining civilians, in particular individuals expressing dissent; (b) Effectively ban the recruitment of children and their use in hostilities and ensure access to appropriate rehabilitation services; (c) Comply with customary international humanitarian law and cease attacks against civilians, including members of religious and ethnic minorities; (d) Investigate all allegations of violations and crimes committed by their fighters, take urgent measures to discipline or dismiss individuals responsible for such acts, including in cases of looting and property appropriation, and make their findings public; 103. The Commission recommends that the international community and individual Member States: (a) Take all feasible precautions, when conducting operations in the Syrian Arab Republic, to minimize harm to the civilian population, including by reviewing tactical guidelines related to targeting in the conduct of operations, and conduct independent, impartial and credible investigations into incidents in which their forces are implicated to ensure that those responsible are held accountable. The findings of such investigations should be made public; (b) Take urgent steps to end violations of international humanitarian law committed by State forces and non-State armed groups receiving any form of support in relation to the armed conflict, in accordance with the obligations of all States under common article 1 of the Geneva Conventions of 1949, and encourage such entities to investigate all allegations of crimes and violations and make their findings public; (c) Ensure unfettered humanitarian access to all civilians in the Syrian Arab Republic based on the needs of the population, in particular those subsisting in the north-west of the country; (d) Ensure unfettered access for independent humanitarian, protection and human rights organizations in every part of the country; (e) Repatriate foreign nationals in the Syrian Arab Republic who are allegedly associated with ISIL, in particular children with their parents, in accordance with the best interests of the child; (f) Use all available diplomatic means to de-escalate violence in the northwest of the Syrian Arab Republic, including through an inclusive and Syrian-led political process, in accordance with Security Council resolution 2254 (2015). 19