A/HRC/8/46 Page 19 measures necessary for their rehabilitation in an appropriate environment (Belgium); 21. Adopt measures to investigate, prosecute and punish those responsible for serious human rights crimes such as the recruitment of child soldiers, in accordance with international norms and in a transparent manner (Sweden); 22. Take judicial and other measures to put an end to the recruitment of child soldiers in all parts of its territory, and accordingly give further appropriate directions to the security forces and police to ensure their implementation (Belgium); 23. Investigate allegations of forced recruitment of children and hold to account any persons found in violation of CRC and its Optional Protocol (Slovenia); 24. Take further steps to improve the effectiveness of measures to combat the recruitment of child soldiers (New Zealand); 25. Take active measures in order to put an immediate end to forced recruitment and use of children in armed conflicts by all factions (Italy); 26. Investigate and prosecute all allegations of extrajudicial, summary or arbitrary killings and bring the perpetrators to justice in accordance with international standards (Canada); 27. Adopt measures to investigate, prosecute and punish those responsible for serious human rights crimes such as enforced disappearances, in accordance with international norms and in a transparent manner (Sweden); 28. Adopt measures to ensure the effective implementation of legislative guarantees and programmes for the protection of witnesses and victims (Austria); 29. Take all necessary measures to prosecute and punish perpetrators of violations of international human rights law and humanitarian law (Greece); 30. (a) Pursue the ongoing inquiries into allegations of violations of children’s rights in armed conflict, such as conscriptions and abductions of children anywhere and to adopt vigorous measures to prevent such violations; and (b) take other urgent measures for the re-integration of children who have surrendered to the governmental forces asking for special protection or who are currently held in prisons (Luxembourg); 31. Enter into further agreements with countries hosting its migrants workers (Palestine); 32. Take the measures necessary to ensure the return and restitution of housing and lands in conformity with international standards for internally displaced persons (Belgium); 33. Take measures to protect the rights of IDPs, including long-term housing and property restitution policies that meet international standards, and protecting the rights to a voluntary, safe return and adequate restitution (Finland);