51.   Serbian authorities prevented Thursday deputies of the democratic opposition from holding a separate session in parliament they have boycotted since last fall.

52.   She said many of her posters were torn down and authorities prevented her from holding public rallies.

53.   Since then, authorities have prevented Chu from visiting Liu and have not allowed them to exchange letters, making it difficult to gauge the severity of his illness.

54.   Such authority would prevent Congress from rewriting the terms of agreements that the administration reaches with other countries.

55.   Such authority would prevent Congress from rewriting trade agreements the administration reaches with other countries.

56.   Thai military authorities prevented many others from crossing the border, although such crossings are common.

57.   The bodies remained unburied in the village, said the sources, who also claimed authorities were preventing the International Red Cross and other foreign officials from entering Ljuboten.

58.   The bodies remained unburied, said the sources, who also claimed authorities were preventing the International Red Cross and other foreign officials from entering.

59.   The committee said authorities have prevented Do from meeting any local lawyers.

60.   The tension escalated Sunday when Iraqi authorities prevented three more Americans from entering Iraq to take part in the inspections.