A state of emergency has been declared in the U.S. city of San Francisco amid rising fears of a coronavirus outbreak, the city’s mayor said Tuesday.

In a statement, Mayor London Breed said there were no confirmed COVID-19 cases in the northern California city right now and the move was a precautionary step.

There are, however, eight confirmed cases in the state of California.

“Although there are still zero confirmed cases in San Francisco residents, the global picture is changing rapidly, and we need to step up preparedness,” she said.

“We see the virus spreading in new parts of

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