Two northern Chinese areas enforce lockdown in COVID-19 outbreak

China reported nine new domestically transmitted COVID-19 cases on Oct. 18, the highest daily tally since the end of September, with the latest outbreak prompting two northern border areas to enforce a lockdown. Under a national policy of zero tolerance of domestic coronavirus clusters, cities with new infections have quickly tracked down and tested contacts of infections and sealed off higher-risk areas. Five of the nine new local cases were found in the northwestern city of Xian in Shaanxi province, and two were in the northern Chinese region of Inner Mongolia, data from the National Health Commission (NHC) showed on Tuesday.