text: leader Huynh Tan Mam and Le Quang Vinh. The IFHR and the Viet Nam Committee have reason to believe that these people were arrested because of their criticisms of partv policies. 9. Catholic priest Father Chan Tin and Catholic intellectual Nguyen Ngoc Lan were also placed under house arrest on 16 May 1990, reportedly on charges of "carrying out activities aimed at opposing socialism and sowing dissension among religions". Father Chan Tin was accused of preaching anti-qovernment sermons aimed at "incitinq Catholics to demand human and civil rights". Official sources sav he is now under house arrest in the Redemptorist Church, Duyen Hai district (not his own home), although Catholic sources suggest there may be no Church in this district. Nguyen Ngoc Lan is detained at his home. 10. The IFHR and the Viet Nam Committee are deeply concerned about the prolonged detention in re-education camps of alleged government opponents and people associated with the former Government of the Republic of (South) Vietnam since 1975, and also by the large numbers of prisoners of conscience i.e. Buddhist diqnitaries. Catholics, Hoa Hao, Cao Dai, Protestants, writers, iournalists, artists and intellectuals who are detained in re-education camps on account of their non-violent beliefs or opinions. Many dignitaries of the Unified Buddhist Church (An Quang Pagoda), which was outlawed by the Government in 1977, are detained in re-education camps or under house arrest. Thich Huyen Quang, who was first arrested in 1977, is still under house arrest in his native village where he was banished in 1982. He has never been sentenced or given the reasons for his arrest. Buddhist monks and scholars Thich Tue Sy (detained in Camp A.20, Tuy Hoa) and Le Manh That (Xuan Loc Camp), are serving sentences of 20 years hard labour on charges of "human rights activities". Thich Due Nhuan, who is in very poor health, is serving 
analysis: The text appears to be discussing political issues and human rights concerns in Vietnam, specifically focusing on the arrest and detention of individuals who are critical of the government or have been associated with the former government of South Vietnam. The text does not mention any economic, environmental, or scientific issues.