A long-awaited report from the United Nations alleges that the Chinese government has committed "serious human rights violations" in its detention of Uyghurs and other mostly Muslim ethnic groups in the western region of Xinjiang. The 48-page report, which Western diplomats and U.N. officials said had been all but ready for months, was published with just minutes to go in U.N. human rights chief Michelle Bachelet's four-year term. Drawn from interviews with former detainees at eight separate detention centers in the region, its authors suggest "serious" human rights violations have been committed in Xinjiang under China's policies to fight terrorism and extremism, which singled out Uyghurs and other Muslim communities, between 2017 and 2019. The report cites "patterns of torture" inside what Beijing called vocational centers, which were part of its reputed plan to boost economic development in the region, and it points to "credible"...