E/CN.4/1993/26 page 18 to the Aquiduana jail. Because of the maltreatment to which they were subjected, one of the detainees had to be taken to hospital and the others had difficulty in walking. 57. On 25 November 1992 the Government replied that information on allegations of torture inflicted on these persons and the related measures undertaken to investigate responsibilities had been requested by the Centro de Defesa dos Direitos da Pessoa Humana from the Secretary of Public Security of the State of Mato Grosso do Sul. 58. In addition to the foregoing, the Special Rapporteur transmitted an urgent appeal on 11 June 1991 requesting comments from the Government with regard to the death in police custody of Luiz Alexandre da Silva, a builder with no criminal record, who was detained together with three other persons named Reginaldo Silva, Ironaldo Batista and a minor known as "Marquinhos", by the São Paulo State military police on 22 April 1992 near his home in Itapevi. Three hours later he was taken to the Itapevi police station, which is manned by the civil police, where he died, allegedly as a result of severe beatings. The autopsy by the official Legal Medical Institute reportedly stated that Luiz Alexandre da Silva's body showed multiple bruises on the face, chest and abdomen and superficial injuries on the limbs. It also showed extensive internal haemorrhage in the chest resulting from the rupture of the heart and major blood vessels. The forensic doctors concluded that the cause of the death was acute haemorrhage caused by blunt trauma. The three men who were detained together with Luiz Alexandre da Silva and said to have witnessed the beatings were released by the police but went into hiding, allegedly in fear for reprisals. Burundi Information transmitted to the Government 59. In a letter dated 21 August 1992 the Special Rapporteur informed the Government that he had received information that many people of Hutu origin had been arrested and tortured following rebel attacks in November 1991 on military and other installations at Bujumbura, Bunbaza and Cibitoke. Attention was drawn to the following cases: (a) Jean Berchmans Baragunzwa was arrested on 12 December 1991 at Gihanga, Bubanza province, and taken to the Bubanza police station. His hands were tied so tightly that his arms were badly hurt and he was unable to feed himself; (b) Charles Mugiraneza was also arrested on 12 December 1991. He was tortured during interrogation by the security forces in Bubanza police station. He received various injuries, notably to the foot; (c) Isidore Ciiza was arrested at Bujumbure, Cibitoke, on 9 December 1991 and taken to special intelligence branch headquarters. He was badly beaten and tortured during interrogation and two ribs were broken. He received no treatment for his injuries.