Egypt’s secret police began detaining Uyghur and ethnic minority Kazakh Muslims from China en masse on July 4, in an operation activists said was requested by Beijing.
Hundreds of thousands of Rohingya Muslims have fled violence and destruction in Myanmar.
Creators of online groups are now responsible for managing information posted to their sites – a move that some believe will encourage self-censorship.
Human Rights Watch says the United Nations has turned a blind eye or is even complicit.
China’s Communist party has expanded local police forces across the country in recent years, and complaints of police abuse have increased.