US official says UN has 'lack of curiosity' on Xinjiang

FILE - In this Dec. 3, 2018, file photo, people walk by a police station by the front gate of the Artux City Vocational Skills Education Training Service Center in Artux in western China's Xinjiang region. A coalition of human-rights groups has met with the International Olympic Committee over calls to pull the 2022 Winter Olympics out of Beijing.