GENEVA, Feb 16 (Reuters) - Uyghur advocacy groups called on United Nations bodies to take action against China on Thursday over its abuses against the mainly Muslim ethnic minority, after U. Committee on Economic, Social and Cultural Rights (CESCR) review in Geneva, participants asked China's delegation about the country's treatment of minorities, including Uyghurs in the western region of Xinjiang, and measures to end forced labour and arbitrary detentions, among other issues. to follow up on the report, on Thursday joined several other groups in urging the European Union to drop what it called "meaningless" rights talks with Beijing