Guan Heng, who filmed at sites in China of alleged rights violations against Muslim group, detained by ICE in August

A Chinese man who left his country after filming at sites of alleged human rights violations against Uyghurs now faces the risk of removal from the United States, according to his lawyer and mother.

Guan Heng, 38, underwent an immigration hearing in New York on Monday after being detained by US Immigration and Customs Enforcement (ICE) in August, his mother said in an interview.