11.   China detains dissident as U.S. seeks censure before UN rights panel.

12.   China detains dissidents as veteran activist blocked from returning.

13.   Chinese police detained two dissidents Thursday morning in central China, part of a widening sweep against democracy and human rights campaigners pressing for political change.

14.   China often detains dissidents during visits by high-level foreign leaders or around sensitive political dates, often holding them in hotels.

15.   Chinese authorities have detained two dissidents and placed a third under surveillance in a widening police sweep against members of a would-be opposition party, rights groups reported Tuesday.

16.   In reaction to the latest activity, police in several provinces had briefly detained dissidents or forced them to return to their homes, the Information Center said.

17.   In past years, dissidents have been detained to prevent them from marking the anniversary.

18.   In past years, dissidents have been detained to prevent them from marking the date.

19.   Indeed, the president scolded Chinese authorities Friday for detaining political dissidents.

20.   It already has detained dissidents and denied requests for permission to hold observances.