Electric car firm Tesla has been ordered keep its main plant in the US closed, as California grapples with a coronavirus outbreak.
Chief executive Elon Musk had told staff "limited" production would resume on Friday at the Fremont factory, near San Francisco, according to CNBC.
But Alameda County says this could lead to a spike in coronavirus cases.
Nearly 9,500 cases have been reported in the San Francisco Bay Area, along with 342 virus-related deaths.
Since 23 March, all but "basic operations" have been suspended at the plant because of "shelter in place" orders enacted in the county. The factory employs more than 10,000 workers, and makes about 415,000 vehicles every year.
California's government has eased some restrictions around the state this week, allowing businesses to resume operations. But several Bay Area counties, including Alameda, have issued their own criteria for businesses to open up, which take precedent.
"Tesla has been informed that they do not meet those criteria and must not reopen," Alameda County said in a statement. "We welcome Tesla's proactive work on a reopening plan so that once they fit the criteria to reopen, they can do so in a way that protects their employees and the community at large."
Tesla did not immediately respond to the BBC's request for comment.
Mr Musk has drawn controversy for his opposition to coronavirus restrictions, and his promotion of unproven treatments for the virus.
In a series of tweets last week, the tech billionaire said "the coronavirus panic is dumb" and "FRRead More – Source
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