https://www.reuters.com/article/us-usa-china-huawei-geng/china-says-canada-u-s-have-not-explained-huawei-executives-arrest-idUSKBN1O50MY >China said on Thursday that Canada and the United States had yet to clarify their reason for arresting the daughter of Chinese tech giant Huawei's founder, in an incident that has dealt a blow to hopes of easing Sino-U.S. trade tensions.