E/CN.4/1991/17 page 66 official document No. ..., refers to traces of testicle chafing and pain. However, the examination states that his general condition is satisfactory. The proceedings to which reference has been made are still in the preliminarystage". 200. In a letter dated 12 December 1990, the Government informed the Special Rapporteur that, according to the Office of the Attorney-General of the Republic, "after a thorough review of file No. ..., which is before Criminal Court No. 19 in the Federal District and State of Miranda, which is dealing with all cases relating to the incidents in late February and early March 1989, no information was found on citizens Alejandro Fidel Segura Briceno, Max Verastegui Gomez and Jose Gregorio Ramos". Government replies 201. On 15 November 1990 the Government of Yemen addressed a letter to the Special Rapporteur providing information on the changes occurring in the country since the establishment of the Republic of Yemen on 22 May 1990. It was affirmed that the new constitution and laws of the Republic of Yemen are based on the Universal Declaration of Human Rights, the International Covenant on Civil and Political Rights and the International Covenant on Economic, Social and Cultural Rights. The Government has adopted democracy as a sound basis for the development of a unified Yemeni society and has helped to strengthen the principles of human rights. Urgent appeals 202. On 29 August 1990, the Special Rapporteur sent an urgent appeal to the Government of Zaire transmitting information concerning the following persons: Lusamba Mubi-Malu, Miseia Kabulu Christophe, Ngandu Wa Loko, Mpasu Mabanza, Sapue Kumune (all members of the Union for Democracy and Social Progress, UDPS), Ekongo Udimba Paul, Olongo Mamba Jean-Marie and Otete Gaston (all members of the Lumumba Congolese National Movement, MNC-L). These persons and other members of the two parties whose names have not been communicated were arrested in Kinshasa on 16 and 18 July 1990 and allegedly continue to be held incommunicado in undisclosed places of detention. According to the source, persons who were arrested in the past for political reasons and held in similar conditions were reportedly tortured or subjected to ill-treatment. For this reason, fears have been expressed that the above-mentioned persons might be subjected to torture or ill-treatment.