China's Tianjin reports 20 new local COVID-19 cases

North China's Tianjin Municipality reported 20 new domestically transmitted COVID-19 cases from 6 p.m. Friday to 9 p.m. Saturday, local authorities said Saturday.

As of 9 p.m. Saturday, a total of 75,680 people had been put under quarantine due to the resurgence, said Gu Qing, director of the municipal health commission.

Residents in Tianjin are asked not to leave the city unless necessary.

Related epidemiological investigations are underway.