E/CN.4/1993/26 page 22 Chad Information transmitted to the Government 72. The Special Rapporteur addressed two urgent appeals to the Government on behalf of people who had been arrested and were believed to be in danger of torture. The first was sent on 19 May 1992 and concerned a group of Chad citizens who were reported to have been arrested in Nigeria in February 1992, forcibly repatriated to Chad and imprisoned. Some of the people concerned were said to have been confined in the former presidential palace at N'Djamena and a police building known as the Centre for the Collection and Coordination of Intelligence. Some prisoners are said to have died as a result of the harsh conditions and ill-treatment. 73. The second appeal, sent on 11 December 1992, was on behalf of Mahamat Khaled and Mahamat Issak who belonged to the opposition group known as the Movement for Democracy and Development, and 13 other Chadians who were presumed members of the group and had been living in exile in the Nigerian State of Borno. According to the information received, they had been repatriated to Chad and were confined in the Intelligence Centre at N'Djamena. Chile Information transmitted to the Government 74. In a letter dated 21 August 1992 the Special Rapporteur advised the Government that he had received information on 17 cases of torture in the years 1990-1992. They were: (a) Bernada Eugenia Valenzuela Montecinos was arrested on 20 July 1990 at a peaceful, authorized demonstration. While she was under arrest she was beaten with truncheons and kicked by police. According to a medical certificate attached to the complaint lodged with the courts she sustained a haematoma above the left eyebrow, a haematoma on the right knee and a synovial cyst caused by injury to the left wrist; (b) Juan Carlos Chavez Pilquil was detained by police at a street rally called by an organization of relatives of disappeared detainees. He was taken to the Santiago police headquarters where he was kicked, punched on the face, nearly suffocated with a bag and handcuffed to a grille for hours; (c) Jorge Alfredo de la Fuente Llanos and Mario Valenzuela Martinez were arrested on 12 April 1991 during a police raid when they were passing through La Pintana. They were taken to the 39th police station and questioned by members of the missing vehicles section who asked them to spy on political militants in their village. When they refused electric shocks were applied to various parts of their bodies; (d) Adán Eloy Pacheco Pinto was picked up by a large party of police and civilians who broke into his house after an attack on the Teniente Merino police station in Pudahuel. He was taken to the 3rd police station, where he was interrogated, brutally kicked and beaten and not allowed to eat or sleep;