As airborne transmission of the coronavirus becomes the primary concern, a St. Paul company has developed a device to stop it, reports Bill Hudson (2:21). WCCO 4 News At 6 - July 20, 2020

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8 P.M. Weather ReportThe severe weather threat is diminishing, but active thunderstorms and heavy rain will continue through the overnight hours.
6 P.M. Weather ReportChris Shaffer is tracking severe weather moving through central and northern Minnesota Thursday evening, including potential tornadoes.
Mille Lacs Lake Ends ‘Catch-And-Release Only’ Walleye Fishing SeasonOne of the state’s most popular walleye lakes has ended it’s “catch-and-release only” season.
MN Supreme Court: Votes Will Be Counted On Minneapolis Public Safety Ballot QuestionThe Minnesota Supreme Court has determined that votes will be counted in the controversial Minneapolis public safety ballot question this fall.
Minnesota, Wisconsin To Welcome Hundreds Of Afghan RefugeesMinnesota and Wisconsin will be the new home for hundreds of refugees from Afghanistan.
North Minneapolis Residents Say They’re Living In A War ZoneThe sound of gunfire continues to plague Minneapolis' north side community.
5 P.M. Weather ReportThere is a slight chance for severe weather on Thursday night, especially along the western part of Minnesota, which could see some thunderstorms, wind, and hail damage.
Chauvin Pleads Not Guilty To Allegedly Violating Teen’s Civil Rights In 2017Derek Chauvin again entered a not guilty plea in federal court on charges that he violated the civil rights of a 14-year-old boy.
1 In Custody, 1 At Large In Connection To 4 Minnesotans Found Dead In WisconsinAuthorities have one man in custody and are searching for a second in connection with a quadruple homicide in Wisconsin over the weekend.
Charges: London Bean Fatally Shot By 18-Year-Old Jeremiah Marquise Grady, Who Remains At LargePolice in the Twin Cities need help tracking down a man charged with murdering a 12-year-old boy.
COVID Cases Rising In schools, Health Officials SayVaughan Steffensrud Elementary in Chisholm is remote for two weeks due to “substantial classroom transmission.” The district wouldn’t say how many cases there are.
Noon Weather ReportWCCO meteorologist Mike Augustyniak previews the possibility for severe storms later Thursday.
WCCO Digital Headlines: Afternoon Of Sept. 16, 2021Amelia Santaniello has your latest afternoon headlines from WCCO.
Charges: London Bean Fatally Shot By 18-Year-Old Jeremiah Marquise Grady, Who Remains At LargeA criminal complaint has been filed against an 18-year-old in the death of 12-year-old London Bean, who was fatally shot last week in North Minneapolis on the first day of school. Katie Johnston reports.
Sheriff: 1 In Custody, 1 At Large In Connection To 4 Minnesotans Found Dead In WisconsinOne person is in custody and a warrant has been issued for another suspect in connection to four Minnesotans found dead inside an abandoned vehicle in western Wisconsin. Katie Johnston reports.
Anglers Can Take Home Walleye From Lake Mille LacsStarting Thursday, anglers will be able to take home one walleye between 21 and 23 inches, or one walleye over 28 inches long.
Derek Chauvin Pleads Not Guilty To 2017 Incident Involving 14-Year-Old BoyFormer police officer Derek Chauvin pleaded not guilty in federal court on Thursday morning to federal civil rights violations in a lesser known 2017 incident involving a 14-year-old boy.
Music Festival Promises Food, Camping and CamaraderieThe festival benefits the LIVIN Foundation, a non-profit organization whose mission is to promote a positive outlook on life, reduce the stigma associated with depression and mental illness and ultimately prevent suicide, Paul Thomas explains.
22nd Annual Minnesota Children’s Book Festival In Red WingThis Saturday, Red Wing’s Anderson Center at Tower View is proud to present the festival, executive director Stephanie Rogers explains.
Time To Take The Blooms Indoors?Karen Bachman Thull explains how to turn grocery store bouquets into beautiful and fresh fall accents.
9 A.M. Weather ReportWCCO's Katie Steiner says that there are storms in northern parts of Minnesota, and the Twin Cities could see storms later on.
Are You Fooled By The 99 Cents In Most Prices?There's a psychology behind the pricing practice.
Civilian Space Crew Makes HistoryThey lifted off on a Space X rocket last night for a three-day mission, and they're all civilians, with no astronauts on board.
Extended Interview: UST Prof. Moran On Noor Conviction Being OverturnedThe Minnesota Supreme Court has reversed the third-degree murder conviction of a former Minneapolis police officer who fatally shot a woman who had called 911 to report a possible rape behind her home.

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