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BEIJING - Authorities in Beijing said on Monday they had launched a blanket search and testing campaign among the city's construction sites, where three confirmed COVID-19 cases emerged.

Authorities will roll out a negative list for programs that forbid and limit foreign investments and facilitate the implementation of those where the government wants to encourage foreign companies to invest, said Huo Jianguo, vice chairman of the China Society for WTO studies.

Australians have been banned from travelling overseas since March 25 on account of the coronavirus pandemic.

Authorities in Beijing have released an ambitious plan for reducing days with heavy air pollution by 2020－at least 25 percent from 2015 levels－by increasing green transportation and curbing kicked-up dust.

Attracting talents and improving the business environment have been the focus of Hainan province, and it will step up efforts to introduce excellent talents and enterprises from home and abroad, said Fu Xuanchao, director of the provincial development and reform commission, on Friday.