China's Tianjin Municipality on Monday reported one new asymptomatic case. 

The city on Sunday reported one confirmed locally transmitted case, which was also related to imported frozen food packaging.

In response to the detection of new cases, Tianjin moved up the COVID-19 alert in two areas into medium-risk, Hangu street from Tianjin Binhai New Area and two blocks from a local old chain logistics area, starting from Monday midnight.