City official Li Junjie said at a press conference that fresh cases had been found in a second wholesale market in northwestern Haidian district, and as a result, the market and nearby schools would be closed, and people living in ten communities around it placed under lockdown.

from Times of India https://timesofindia.indiatimes.com/world/china/china-locks-down-10-more-beijing-neighbourhoods-over-virus-cluster/articleshow/76378752.cms