Dominion Voting Systems, a voting technology company that was the target of baseless conspiracy theories about the 2020 election, filed a $1.6 billion defamation lawsuit against the right-wing channel Fox News on Friday.

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In the span of a few hours Thursday, the GOP-controlled Georgia legislature sped a sweeping elections bill through two chambers, putting the battleground state on a course to impose new voting restrictions on citizens in a state that was pivotal to securing Democratic control of the White House and the US Senate.

The bill, passed the Georgia Senate by a 34-20 vote late Thursday afternoon, and heads to the desk of Republican Gov. Brian Kemp, who announced moments after the vote that he would sign it later Thursday.

The legislation would impose new voter identification requirements for absentee ballots, empower state officials to take over local elections boards, limit the use of ballot drop boxes and make it a crime to approach voters in line to give them food and water.

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Drug giant AstraZeneca updated its data on how well its coronavirus vaccine works, saying late Wednesday the vaccine showed 76% efficacy against symptomatic coronavirus disease and 100% efficacy against severe or critical disease or the need for hospitalization.

The vaccine was 85% effective in preventing symptoms in volunteers 65 and older, the company said.

The numbers are not terribly different from data the company released in a statement Monday. As with Monday's data, the company has released them via news release and not in a peer-reviewed report or as formal data for US Food and Drug Administration review.

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President Joe Biden is tasking Vice President Kamala Harris with overseeing efforts with Central American countries to stem the flow of migrants to the US southern border, senior administration officials said on Wednesday, the first major issue Biden has assigned directly to his No. 2.

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Ahmad Al Aliwi Alissa, the 21-year-old suspect in Monday's massacre at the King Soopers supermarket in Boulder, Colorado, faces 10 counts of murder in the first degree, Boulder Police Chief Maris Herold said Tuesday.

The 10 people who died ranged in age from 20 to 65, she said. That includes Boulder police Officer Eric Talley, 51.

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The Senate confirmed Boston Mayor Marty Walsh to be Labor secretary, elevating the former union boss to oversee the federal department in charge of workplace conditions, benefits and rights.

The vote was 68 to 29.

Walsh first joined the Laborers' Union Local 223 at age 21. By 2011, he had risen to lead the Boston Trades Council, a group that represents ironworker and electrician unions, among others. He's served as mayor since 2014.

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The Supreme Court on Monday agreed to review a lower court opinion that wiped away the death sentence of Dzhokhar Tsarnaev, one of the brothers convicted in the 2013 Boston Marathon bombing that killed three spectators and injured hundreds.

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International spectators will be refused entry into Japan for this summer's Olympic and Paralympic Games, the Tokyo 2020 Organizing Committee said in a statement on Saturday. 

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The US Centers for Disease Control and Prevention on Friday is updating its physical distancing guidelines for children in schools from 6 feet to 3 feet.

On Friday, the agency is releasing three new studies it says support distancing of 3 feet between students, so long as everyone is wearing a mask and other prevention measures are in place.

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A judge in Minneapolis Friday rejected defense motions to postpone and relocate Derek Chauvin's murder trial in the death of George Floyd.

The decision comes one week after the city agreed to pay $27 million to Floyd's estate -- an announcement defense lawyers argued prejudiced their client in the middle of jury selection.

Judge Peter Cahill also decided on Friday to admit limited evidence of a May 6, 2019, encounter between Floyd and police.

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