E/CN.4/1992/17 page 10 beaten by security personnel in the course of violent demonstrations held in May 1989. The Government stated that judicial inquires had been initiated with regard to cases of violence, that the findings had been published and that the respective offenders were now facing the established charges against them. It was further affirmed that, following the political changes in the country, the Bulgarian parliamentarians had recently adopted several amendments and supplements to the existing Constitution, and had also begun a large-scale effort to draft a completely new one. Burundi Urgent appeals 37. On 3 December 1991 the Special Rapporteur sent an urgent appeal to the Government of Burundi concerning the following persons: Libère Barankitse, businessman; Liboire Bucumi, employee at the central bank; Emmanuel Ciiza, technician; Antoine Habonimana, employee at the central bank; Samuel Magenge, employee at the Prince Regent Hospital; Come Minani, employee at the airport; William Munyembabazi, leader of the Musaga area; Vincent Ndayihebura, security guard; Severin Nsengimana, employee in the Ministry of Health; Fidèle Ntezahorirwa, employee in the Ministry of the Interior; Philippe Nzobonariba, employee in the Martens company; and Augustin Nzojibwami, teacher. According to the information received, these people, all members of the Hutu ethnic group, were arrested on 25 and 26 November 1991 on charges of maintaining links with the Party for the Liberation of the Hutu People and for taking part in an armed attack on military installations in Bujumbura. They were later taken to the Mura barracks and to other police detention centres and some were reportedly severely beaten when they were arrested. Fears had been expressed that these people might be subjected to torture or ill-treatment. Cameroon Letters 38. On 18 October 1991 the Special Rapporteur sent a letter to the Government of Cameroon transmitting information according to which certain political prisoners were being held in extremely harsh conditions which had seriously damaged the health of some and caused the death of others. The following cases were reported: (a) Moudio Hildina was said not to have been released from the Nkondengui prison on completion of his sentence, in 1986. In December 1987 he was paralysed, but for a long time he was refused medical treatment. He died in hospital in June 1989; (b) Abdoulaye Mazou, a former lawyer and magistrate whose prison sentence ended in 1989, was released from the Nkondengui prison in April 1990 and placed under house arrest. When he left prison he was suffering from several illnesses, including eyesight and kidney problems. Nevertheless, he was forced to wait for months before being allowed to travel to Yaounde for treatment.