https://www.reuters.com/article/us-usa-china-huawei/china-detains-former-canadian-diplomat-as-huawei-cfo-returns-to-court-idUSKBN1OA0M4 >Canada confirmed on Tuesday that one of its citizens was detained in China but said it saw no explicit connection to the arrest in Vancouver of a top executive at Chinese telecoms giant Huawei Technologies Co [HWT.UL].