E/CN.4/1991/17 page 11 Cameroon Letters 35. On 6 June 1990, the Special Rapporteur addressed a letter to the Government of Cameroon transmitting information that two prisoners at Nkondengui Prison, Yaounde, former Captain Madam Dogo Aboubakar and former Warrant Officer Pagore, allegedly died in December 1989 after having been subjected to torture and ill-treatment and deprived of medical care. According to the same source, these two persons and about 30 other prisoners were tortured and severely beaten when their cells were searched on 24 November 1989 and prohibited items, such as radios and copies of the Koran, were allegedly discovered. All these persons were reportedly deprived of medical care after being beaten. Chad Urgent appeals 36. On 24 October 1990, the Special Rapporteur sent an urgent appeal to the Government of Chad transmitting information concerning the following persons: Lieutenant Laoukein Barde, Souleymane Kabo (aged 1 6 ) , Youssouf Kabo, Joseph Madjimbang, Zakaria Moursal, Ahmed Nahor, Gali Gatta N'Gothe, Edouard Sailly and Hissein Seydou Thaim. These persons, who were arrested in N'Djamena in the past five months, were allegedly held incommunicado, without charges, in an unidentified place of detention in N'Djamena and fears were expressed that they might be subjected to torture and ill-treatment. Chile Government letters and replies 37. On 15 February 1990, the Government of Chile sent the Special Rapporteur a note replying to two letters he sent on 17 April 1989 and 2 October 1989 (see document E/CN.4/1990/17, paras. 39 and 40, respectively). Together with the note, the Ministry of Foreign Affairs of Chile sent a document containing information on 14 of the persons referred to in the two letters sent by the Special Rapporteur, including additional details on their detention (date, personnel responsible, places of detention and reasons for detention) and their physical condition. The document contains the following information: "Carabineros of Chile reports that, with regard to the cases of Ivan Escurra Campos and Sissi Guzman Vargas, Jose Luis Donoso Caceres, Marco Antonio Sepulveda Senoceain and Sandra Veronica Ranz Velasquez, the necessary information was requested from the courts with jurisdiction in the proceedings. An analysis of the statements made by the above-mentioned detainees and the confidential files provided by the various zones shows that the detainees were not subjected to physical or psychological ill-treatment by Carabineros who took part in the arrests.