Beijing on Wednesday further tightened its prevention and control measures for foreigners as more imported novel coronavirus cases arrived in the city. 

Everyone, including those not from the hard-hit countries, is required to undergo a 14-day quarantine at home or designated place, according to local authorities.

People who entered Beijing on business trips have to stay in designated hotels before he is cleared from a nucleic acid testing.

The capital city reported six new imported novel coronavirus disease (COVID-19) cases on Tuesday, local health authorities said Wednesday. Five of the confirmed cases are from Italy, and one is from the United States, according to the Beijing Municipal Health Commission.