Manzhouli in North China’s Inner Mongolia Autonomous Region, China's largest land port, has completed a second round of nucleic acid tests for 203,378 residents, with eight testing positive, the autonomous region's epidemic control group announced Tuesday.

Workers unload medical supplies from hospitals in Wuhan in Manzhouli, North China's Inner Mongolia Autonomous Region, for the fight against the novel coronavirus in the China-Russia border city on Friday. (Photo: Xinhua)

Among the eight positive samples, seven were confirmed COVID-19 cases and one was an asymptomatic patient.

1,920 residents were under medical observation, and 202 were quarantined at home with 1,695 discharged from isolation, local authorities said.