CRC/C/NGA/CO/3-4 (b) Consider setting the minimum age of criminal responsibility as at least 12 years with a view to raising it further as recommended in the Committee’s general comment No. 10 (2007) on the rights of the child in juvenile justice; (c) Consider the establishment of specialized procedural rules to ensure that all guarantees are respected in proceedings before the family courts; (d) Limit by law the length of pretrial detention of children; (e) Continue efforts to ensure that children deprived of liberty in rehabilitation centres or in detention facilities are never kept with adults, that they have a safe, child-sensitive environment, and that they maintain regular contact with their families; (f) Ensure that children are held in detention only as a measure of last resort and for the shortest period possible and that detention is subject to regular review; (g) Establish an independent body for the monitoring of placement conditions and receiving and processing complaints by children in facilities; (h) Adopt a national policy in prevention and promotion of alternative measures to detention such as diversion, probation, counselling, community service or suspended sentences, wherever possible, in line with the provisions of the Child Rights Act; (i) Provide children, both victims and accused, with adequate legal and other assistance at an early stage of the procedure and throughout the legal proceedings; (j) Establish special police units dealing with children in all states of the federation and ensure that they receive training on the Child Rights Act and Convention; (k) Expedite the establishment of family courts in all states and ensure that they are provided with adequate human and financial resources; (l) Request further technical assistance in the area of juvenile justice and police training from the Interagency Panel on Juvenile Justice, which includes UNODC, UNICEF, OHCHR, and NGOs. Ratification of international human rights instruments 92. The Committee encourages the State party to ratify the Optional Protocols to the Convention on the Rights of the Child on the sale of children, child prostitution and child pornography and on the involvement of children in armed conflict, the International Covenant on Civil and Political Rights, the Convention against Torture and the Convention on the Rights of Persons with Disabilities and its Optional Protocol. (a) Follow-up and dissemination Follow-up 93. The Committee recommends that the State party take all appropriate measures to ensure that the present recommendations are fully implemented, inter alia by transmitting them to members of the National Assembly, the Supreme Court, the line ministries at federal and state levels (in particular those of women affairs and social 24