An activist is urging the Malaysian government to conduct its own investigation into China’s alleged human rights abuses against Muslim Uyghurs in Xinjiang, despite Beijing’s repeated denials.

Washington-based Uyghur Human Rights Project (UHRP) executive director Omer Kanat expressed disappointment over the silence of Muslim-majority countries on the issue, contrasting it with the vocal stance taken by Western nations.

"There has been no...