Pompeo has no evidence about virus lab leak: China 

China hit back Wednesday at US Secretary of State Mike Pompeo over his claims that the coronavirus originated in a laboratory in Wuhan, saying he "doesn't have any" evidence.Washington and Beijing have clashed repeatedly over the virus, which emerged in China late last year but has since spiralled into a global pandemic.Theories that the virus came from a maximum-security virology lab in Wuhan have swirled since earlier this year, but were brought into the mainstream last month by US government