SHANGHAI, China: The central Shanghai district of Jingan, a key commercial area in China's financial hub, has announced that it will require all supermarkets and shops to close due to Covid-19, and residents to remain in their homes until at least mid-week.

On the district's WeChat account, Jingan said it aims to carry out mass Covid testing through the middle of this week.

Without stating a reason, it added that the use of all exit permits previously given to residents that allowed them to leave their homes will be suspended.