Also calls upon all States to prevent violations of the rights of children working and/or living on the street, including discrimination, arbitrary detention and extrajudicial, arbitrary and summary executions, torture, all kinds of violence and exploitation, and to bring the perpetrators to justice, to adopt and implement policies for the protection, social and psychosocial rehabilitation and reintegration of these children and to adopt economic, social and educational strategies to address the problems of children working and/or living on the street;