BEIJING – A Chinese Communist Party official signaled Monday that there would likely be no let-up in its crackdown in the Xinjiang region, but said the government's focus is shifting more to addressing the roots of extremism.“We cannot be complacent at this moment, because the threats are still out there,” Xu Guixiang, the deputy director-general of the Xinjiang Communist Party publicity department, said in an interview with The Associated Press in Beijing.China's policies in the remote Xinjiang region, home to the Uighurs and other predominantly Muslim ethnic groups, have become a major point of division with the U.S.