At least eight people were injured, and six others were missing after an explosion at a chemical factory in the city of Lanzhou, northwest China's Gansu Province, at 6:50 p.m. on Thursday.

The injured were taken to hospital. Rescuers are searching for the missing people.

(Cover: An external view of a chemical factory in Qinchuan Fine Chemical Industry Park after an explosion on June 16, Lanzhou, Gansu Province, China, June 17, 2022. /Xinhua)