The Beijing Municipal Bureau of Public Security said on Friday that it has detained Gao Zhisheng for questioning for his suspected involvement in criminal activities.

Gao Zhisheng [file photo]

Gao, 42, of Han nationality, was residing in Room 202, Unit 7 of Building 11, Xiaoguan Beili, Chaoyang District, Beijing, the bureau said in a brief press release.

As one of Chinese top ten lawers, Gao has long been an expert in legal aid field.