The United Nations called on Colombia’s government on Wednesday to break ties with outlawed paramilitary groups that the world body said have been involved in the disappearances of hundreds of Colombians.Concluding a week-long investigation into the Andean country’s 897 unsolved disappearances in which there is evidence that the state played a role, a U.N. panel urged Colombia to prosecute security forces and public officials implicated in crimes committed by the right-wing paramilitary militias. The panel echoed human rights groups that have long called on Colombia to break all links between its army and the paramilitaries.Full Story