A plane takes off from Chicago's Midway International Airport in 2018. Photo: Robert Nickelsberg/Getty Images

The control tower at Chicago's Midway International Airport closed Tuesday after "several" employees tested positive for coronavirus, the Federal Aviation Administration said, per CNBC.

The state of play: Midway, Illinois' second-largest airport and the nation's 27th-busiest, remained open thanks to backup facilities but still faced dozens of cancellations.

Go deeper ... United CEO: Coronavirus impact for airlines "much worse" than 9/11 aftermath

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Updated Jul 10, 2020 - Health

U.S. coronavirus updates

Data: The COVID Tracking Project; Map: Andrew Witherspoon/Axios

South Carolina restaurants and bars will have to close alcohol sales by 11 p.m., beginning Saturday, under an order issued Friday by Gov. Henry McMaster.

The big picture: The U.S. had another record single-day spike of 63,200 new coronavirus cases from Thursday. COVID-19 cases in South Carolina have increased, with 21,560 cases recorded in the last two weeks.

Robert Mueller speaks out on Roger Stone commutation

Former Special Counsel Robert Mueller testifies before the House Permanent Select Committee on Intelligence on Capitol Hill on Wednesday July 24, 2019. Photo: The Washington Post / Contributor

Former special counsel Robert Mueller responded to claims from President Trump and his allies that Roger Stone was a "victim" in the Justice Department's investigation into Russian interference in the 2016 election, writing in a Washington Post op-ed published Saturday: "He remains a convicted felon, and rightly so."

Why it matters: The rare public comments by Mueller come on the heels of President Trump's move to commute the sentence of his longtime associate, who was sentenced in February to 40 months in prison for crimes stemming from the Russia investigation. The controversial decision brought an abrupt end to the possibility of Stone spending time behind bars.

Trump dons face mask during Walter Reed visit

Trump wearing a face mask in Walter Reed National Military Medical Center on July 11. Photo: Alex Edelman/AFP via Getty Images

President Trump wore a face mask during his Saturday visit to Walter Reed National Military Medical Center, according to AP.

Why it matters: This is the first known occasion the president has appeared publicly with a facial covering as recommended by health officials since the coronavirus pandemic began, AP writes.