E/CN.4/1995/34 page 29 Members of the SIJIN who interrogated Luis Téllez and Ayda Martínez were said to have referred to some of those under surveillance. Fears were expressed that these persons would also be arrested and tortured. 135. On 15 November 1994 the Government replied that an internal disciplinary investigation had been carried out by the police, as a result of which those allegedly responsible were exonerated. 136. The Special Rapporteur transmitted another urgent appeal on 18 May 1994 on behalf of Darío de Jesús Mejía and Father Ricardo Mates, a director of the Regional Committee for the Defence of Human Rights (CREDHOS). On 18 April 1994 soldiers of the Los Communeros military base had reportedly destroyed the home of Mr. Mejía in Bostón, Barrancabermeja. Mr. Mejía had been detained, tortured and forced to sign a statement accusing Father Mates of collaboration with the guerrillas. Father Mates had previously received threats from the military. Under these circumstances, fears were expressed that he might be detained and subjected to torture or ill-treatment. Observations 137. Many of the allegations in this and previous reports were supplemented with testimony received by the Special Rapporteur during his mission to Colombia in October 1994. The existence of a serious problem of torture is acknowledged by most public authorities, except the armed forces, who may admit the existence of identified "cases" of torture. The conclusions and recommendations of the joint mission conducted with the Special Rapporteur on extrajudicial, summary or arbitrary executions may be found in document E/CN.4/1995/111. Côte d’Ivoire Urgent appeals 138. The Special Rapporteur transmitted an urgent appeal to the Government on 19 May 1994 on behalf of Guirao Blé, deputy secretary general of the Ivoirian Federation of Student and School Pupils (FESCI), Rosalie Kouamé, Danthe Apolos, Naminata Ouatara, Merite Nalansana, and Orabera Tate. These persons were among a group of about 30 student members of FESCI who were arrested by members of the security forces on 15 May 1994 after participating in a meeting on the campus of the University of Cocody in Abidjan. At least one student was allegedly beaten severely after his arrest and had to be taken to hospital and the others were reportedly being held in incommunicado detention. Croatia Information transmitted to the Government and replies received 139. By letter dated 11 July 1994 the Special Rapporteur informed the Government that he had received information that Džemal Muratovic ´, a Muslim Croatian citizen, was arrested with a neighbour on suspicion of car theft while they were towing his own disabled car in his home town of Slavonski Brod on 7 February 1994. Džemal Muratovic ´ was allegedly beaten severely during two