Beijing's Yuetan Subdistrict has upgraded its coronavirus risk level to medium, an app of China's State Council showed on Saturday. 

On the same day, Xiluoyuan Subdistrict and Huaxiang Town in Beijing's southern Fengtai District and Changyang Town in southwestern Fangshan District also raised their respective coronavirus risk level to medium.

The risk level upgrades came after local health officials reported new COVID-19 cases in the Chinese capital city. 

On Wednesday, a 52-year-old man surnamed Tang in Xicheng District was found contracted with COVID-19 and transferred to the designated hospital.

Read more: Beijing registers one new confirmed COVID-19 case: Official

Beijing confirmed six more domestically transmitted COVID-19 cases on Friday.

All the seven new cases were linked to Xinfadi, a wholesale farm produce market in Fengtai District, according to local officials. 

Read more: Beijing's Fengtai launches wartime-like measures to curb COVID-19