China reported nine locally transmitted Covid-19 cases on Saturday, the lowest number since the latest outbreak started about two weeks ago, as the country stepped up disease control measures ahead of the week-long National Day holiday. Five of the local cases were in Xiamen, in southeastern Fujian province, with the rest reported in the northeastern Heilongjiang province – three of those in Harbin and one in Suihua, according to data released by the National Health Commission on Sunday.…