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megan tevrizian has the story. >> reporter: one man in portland oregon shot and killed right afiticallylvin car with flags supporting president trump. this video showing a man opening fire saturday. immediately after hitting the victim, the gunman running away. the cause of the shooting is unknown, but the man who died was wearing a blue lives matter flag. the suspect still at large. the president and portland's democratic mayor continuing to be at odds after the city has seen sometimes violence protests for more than 90 days. trump calling portland's mayor ted wheeler a fool and saying that his supporters are, quote, great patriots. portland's mayor firing back. >> i'd appreciate that either the president support us or he stay the hell out of the way. >> reporter: in kenosha, wisconsin hundreds marching in peaceful protests, one week after police shot jacob blake in the back seven times paralyzing him. blake's family asking for the clashes to stop. but saying that the president may be responsible for inciting the violence. >> i mean, how could they not be seen on the violence when the man

abc's megan tevrizian has more. >> reporter: cities across the country in turmoil. one man in portland, oregon, shot and killed right after a political rally involving a caravan of cars with flags supporting president trump. this video showing a man opening fire saturday. [ shots fired ] >> reporter: immediately after hitting the victim, the gunman running away. the cause of the shooting is unknown, but the man who died was wearing a blue lives matter flag, the suspect still at large. the president and portland's democratic mayor continuing to be at odds after the city has seen sometimes violent protests for more than 90 days. trump calling portland's mayor, ted wheeler, a fool on twitter, saying his supporters saturday night are, quote, great patriots. portland's mayor firing back. >> i'd appreciate that either the president support us or he stay the hell out of the way. >> reporter: in kenosha, wisconsin, hundreds marching in peaceful protests. one week after police shot jacob blake in the back seven times, paralyzing him. blake's family asking for the clashes to

abc's megan tevrizian has more. >> reporter: covid-19 cases climbing across the u.s., both in rural and urban areas. >> what we're seeing today is different from march and april. it is extraordinarily widespread. >> reporter: the month of july with the worst numbers since the pandemic began. 1.9 million new cases. 22 states, d.c., and puerto rico seeing cases rise. one of those states is indiana, where schools are set to reopen. >> have this excitement about being back for the first day of school. that very night getting a phone call saying, your child's going to need to stay home for two weeks. disappointing, yes. >> reporter: this as millions of americans face potential financial disaster after their eviction protections and $600 enhanced unemployment benefits expired. after a three-hour meeting saturday, democrats and trump administration officials still at an impasse for a new stimulus bill. house speaker nancy pelosi saying she doesn't have confidence in dr. deborah birx. >> i think the president is spreading disinformation about the virus, and she is his -- she is his appointee. >

abc's megan tevrizian has the details. >>uteporauteltr:y this coronavirus test results. the fda revealing tuesday that one of the most widely used tests could be giving invalid or false negative results. the administration also warning tests produced by heth tat o false negatives if the samples aren't properly processed. >> theleubroths i areas of the country, several, that are actually in community spread. >> reporter: it comes as states grapple with how to stop the virus from spreading. le you g, heino do wn g. >> reporter: in new york city, people coming in from states on the travel advisory list must and short-term rentals before they're issued keys. hawaii is now postponing tourism until october 1st after seeing covid cases spike despite strict quarantining measures. schools across the country are struggling with how to move forward too. iowa state finding 175 cases in its first week after testing students moving into residence halls. >> students my age don't really take it seriously or as seriously as it needs to be taken. >> reporter: the university of alabama ann

abc's megan tevrizian starts us off. >> reporter: this morning a new warning for parents as students head back to class. the cdc now reporting coronavirus cases among children are steadily rising. >> it feels like they're waiting for people to get hurt, people who seem to think that covid is just a cold. >> reporter: just weeks after re-opening, a third high school in georgia's cherokee county school district is closing after 500 of its 1800 students are in quarantine. arizona is now logging the highest rate in pediatric cases in the country. teachers outside phoenix staging a sick-out forcing their school to cancel the first day of class. >> teachers are in a good position to give their voice and they just weren't being heard. >> reporter: an entire district in nebraska is closing after three teachers tested positive and 24 more are in quarantine. >> we knew this would happen at some point. we just didn't think it would happen one day into the school year. >> reporter: and dozens of students are in isolation at this oklahoma school district after two teens knowingly went to class af

abc's megan tevrizian has more. >> reporter: this morning, questions swirling over the death of a miamiice officer's wife. >> they're hurting. i'm hurting, so i only can imagine what they are going through. >> reporter: 56-year-old clara paulino found dead in her husband's police patrol suv after getting trapped in the backseat for hourss in the middle of the day as temperatures soared into the 90s. >> i can't imagine. i don't think anybody can. to lose your life in that way is pretty horrific. >> reporter: her husband had parked on the side of the house after coming home from his overnight shift. sometime later she went to the suv apparently looking for something and got trapped in the back with no cell phone to call for help. her family finding her hours later. >> she raised wonderful children. her husband, all of them. just nice people. >> reporter: "the miami herald" reports the partition between the back and front seats may have prevented her from being able to honk the horn and officials say the doors lock automatically when they close. one neighbor saying evidence from inside the

abc's megan tevrizian reports on the wrongful conviction and the newly discovered evidence. >> reporterthis morning, a florida man is waking up a free man after spending 37 years behind bars. >> never used an iphone, never used a computer, never been to a walmart, never been to a home depot. >> reporter: officials now revealing that 55-year-old robert duboise was wrongly convicted of raping and murdering a teenager in 1983. his conviction hinging on two factors, a bite mark on the victim's cheek an a jailhouse informant who claimed he confessed to the crime. >> i'm nervous but i'm excited too. >> reporter: two years ago, the innocence project started working on his case uncovering that the jail house informant duboise allegedly confessed to received a much shorter sentence after he testified against duboise. and newly discovered dna from the rape kit 37 years ago revealing duboise is innocent, something he maintained throughout his decades in prison. >> i have no bitterness at all. if you keep hatred and bitterness in your heart, it just steals your joy from everything else. >> reporter

abc's megan tevrizian starts us off. this morning, new details emerging about the right wing supporter killed during a weekend of violence in portland, oregon. chilling video from saturday showing the man getting shot while wearing a blue lives matter flag. the gunman then running away. >> we ask that anyone with information or video or eyewitness accounts, please come forward and share that information with our investigators. >> reporter: the shooting came during dueling dem ters and mchers demanding racial e victim is a supporter of the group. members describe themselves as right wing activists who reject white supremacists' ideology. the group's founder identifying the victim as aaron j. danielson calling him a good friend. and president trump retweeting an article with danielson's picture writing, rest in peace. earlier sunday president trump sharing video of his supporters driving into portland calling those in the caravan great patriots and also calling portland's mayor ted wheeler incompetent. the mayor then blast

abc's megan tevrizian has new data overnight on the virus with some good news and some bad news. >> reporter: this morning, new disagreements among the white house and the con seeing in some of the yellow states and other states is that same insidious increase in percent positive. >> the virus is receding in hot spots across the south and west. we've seen slow improvements. >> reporter: president trump contradicting dr. anthony fauci about the state of the virus as the u.s. death toll surges past 155,000. >> i don't agree with fauci. >> reporter: just hours earlier he publicly blasted dr. deborah birx for the first time calling her pathetic in a tweet after she warned sunday that the pandemic has entered a new phase. while new data shows daily cases have dropped below 50,000 for the first time since the fourth of july according to an internal memo deaths are up 24% from a week ago. but in a new interview overnight, trump challenged the validity of new numbers. >> we're lower than the world. lower -- ha >> lower than the world? in what? >> take a look. here's case death. >> you're doing detwi

. >> abc's megan tevrizian has the overnight developments. >> reporter: this morning, the skyrocketing number of cases in children raising for questions about re-opening schools. >> the economy is recoverable. education is recoverable. a lot of things you can recover from. what you can't recover from is death. >> reporter: the american academy of pediatrics revealing coronavirus cases in kids jumped by nearly 180,000 in less than a month. youth infection rates growing 90% faster than earlier this summer. >> those numbers are a reminder that kids are not immune from the disease. they do get infte >> reporter: in part of florida thousands returned to class. masks encouraged but not required. but in big cities like chicago, los angeles, miami and houston students will begin the school year online. new york city taking a different approach. more than 700,000 students are now planning for a combination of in-person and remote learning. >> we are going to be looking like hawks at the numbers. and if the numbers, the positivity rates start inching upwards and get to 3%, we will remote learn f

abc's megan tevrizian has the latest. >> reporter: this morning. covid-19 is now the third leading cause of death in the u.s., second only to heart disease and cancer. one of the nation's leading health experts warning now is the time to get this under control. dr. deborah birx wishing the u.s. had originally shut down like italy. >> we've learned what americans were willing to do in combating the virus. >> reporter: covid cases at nursing homes skyrocketing up 80% since early this summer. long-term care facilities account for more than 40% of coronavirus deaths despite housing less than 1% of the country's population. the sudden spike fueled by new cases in the south where the debate over schools is taking a new turn. >> it is not safe. there will be people who will get sick. >> reporter: at georgia tech -- [ crowd chanting ] >> reporter: -- dozens protesting the decision to return to campus by staging a die-in and just one week after re-opening, the university of north carolina is backpedaling switching to remote learning after 130 students contr

more on that coming up but first megan tevrizian has the overnight developments. >> reporter: this morning, quarantine numbers in one georgia school district on the rise. more than 1,000 students now forced to stay home after dozens tested positive during the first few days of class. recent photos show students sitting and walking closely together, even taking part in a fire drill with no social distancing. the decision to re-open classrooms igniting debate across the country. one school district in new jersey going all remote due to a lack of teachers. 375 teachers now saying they won't return because of covid fears. the same anxiety felt in texas. >> please go by science. >> reporter: middle school teacher rebecca asher quitting at a school board meeting. >> i just didn't feel the district had adequate plans to keep both students and teachers safe. >> reporter: but in this detroit suburb where the school district is leaning toward virtual learning, parents are demanding in-person classes. >> it's just too hard. it's too hard for adults that understand it and do it daily. >> reporter: a s

megan tevrizian. >>> coming up next, the seven things to know this morning. >>> also a special education teacher in the south bay logged into class without wearing a shirt and it's not just that action that has parents really upset this morning. >>> also ahead, michelle's message. what the former first lady was wearing during her it's game day live, here at bia fan-favorite venue, ever since they got gig-speed internet. hey, amy? wanna grab a seat? we're live. it's game on, with gig-speed internet from xfinity. start him. sit him. trade him. xfinity delivers fast, reliable internet with speeds up to a gig. learn more, or get started with xfinity internet for $24.99 a month for 12 months. plus, switch to xfinity mobile and for a limited time get $400 off an eligible samsung galaxy 5g phone. click, call or visit a store today. >>> it's 5:13 on a tuesday. if you're just joining us, here are the seven things to know this morning. no thunderstorms today and if you live along the coast into san francisco, no excessive heat but for the rest of us, yep, it's going to continue through at least 9:

abc's megan tevrizian has more. >> reporter: this morning, new concerns about faulty coronavirus test. tests could be giving invalid or false negative results. the administration also warning that the tests produced by thermo fisher scicifnt re a vulnerable to false negatives if the samples aren't properly processed. areas of the country, several, at are actually in community spread. >> reporter: it comes as states grapple with how to stop the virus from spreading. >> you go in, people get down. >> reporter: in new york city, people coming in from states on the travel advisory list must sign a quarantine form at hotels and short-term rentals before they're issued keys. hawaii is now postponing tourism until october 1st after seeing covid cases spike, despite strict quarantining measures. cheols ac tssroou astntruggling with how to move forward, too. iowa state finding 175 cases in its first week after testing students moving into residence >> students my age don't really take it seriously, or as seriously as it needs to be taken. >> reporter: the university of alabama announcing fans

megan tevrizian, abc news, san diego. >> our thanks to megan. >>> now to the coronavirus affecting 43,000 americans just in the last 24 hours. ople have been dia wh s acrosshh cherokee county to switch to remote learning after dozens of students and teachers tested positive and hundreds were told to quarantine. a school district outside phoenix was forced to cancel classes after teacher staged a sickout. protesting what they say are unsafe working conditions in the pandemic. >> and overseas the primary minister of new zealand has delayed the national election for four weeks after about 50 people were infected in auckland, that is the country's biggest city. before the new outbreak, new zealand went more than 100 days without any community spread. the democratic national convention starts today with the coronavirus, and social justice dominating the convention. first lady michelle obama hits the stage for a key note address. and bernie sanders and andrew cuomo are slated to speak. former presidents clinton and obama up later in the week, and senator kamala harris will accept the nomination

megan tevrizian, abc news, san diego. >>> will politics influence covid-19 vaccine trials under way. jobina fortson at the live desk with more. jobina. >> thank you, reggie. fda commissioner dr. steven hahn says everyone within the trump administration is on the same page when it comes to confronting the covid-19 surges around the country. but dr. hahn is also saying here that once a vaccine candidate is ready for vetting by the fda, it will be science, not politics that will determine if it is safe and effective. here's part of his interview this morning on "good morning america." >> fda has amazing scientists and experts world class with respect to vaccine and other assessments of medical products. we will make that decision based upon the science and the data from the clinical trials that aron. reood news. we will use those data to make the determination. >> dr. hah says the fda can invoke the emergency use authorization. to get a vaccine faster to the american people that has not yet been decided. you can watch more of his interview coming up on "good morning america" at 7:00 rig

here's abc's megan tevrizian. >> reporter: this morning, the struggle over when to go back to school. scenes of crowded hallways at this georgia school sparking new concern about the spread of coronavirus among students. this interactive map from the "new york times" shows how many people could show up to school unknowingly infected during the first week of classes. counties in orange indicate at least 5 infections for every 1,000 students and school staff. red, more than ten. >> if you have a lot of community spread, then the probability of you having a positive person return to school, or anywhere, for that matter, is going to be higher. >> reporter: madison county, texas, set to restart classes august 19th, is reporting the highest risk in the nation. and according to the "times" analysis could have an estimated 420 covid-positive people roaming the halls. in mississippi, shown almost entirely in red, some families already sending their kids back to class. the governor imposing new safety measures. >> today i will sign an executive order that requires the use of masks by all adult

abc's megan tevrizian has more. >> reporter: this morning, quarantine numbers in one georgia school districtstudents now forced to stay home after dozens tested positive during the first few days of class. recent photos show students sitting and walking closely together, even taking part in a fire drill with no social di. the decision to reopen across the country. lack of teachers. 375 teachers now saying they won't return because of covid fears. the same anxiety felt in texas. >> please, go by science. >> reporter: middle school teacher rebecca asher quitting at a school board meeting. >> i just didn't feel the district had adequate plans to keep both students and teachers safe. >> reporter: in this detroit suburb where the school district is leaning toward virtual learning, parents are demanding in-person classes. >> it's just too hard. it's too hard for adults that understand it and do it daily. >> reporter: a similar scene in phoenix, a>>obody body to think about the whole health of the child. >> reporter: in florida, officials tuesday reporting the deadliest day yet, with at least 277 v

abc's megan tevrizian has the latest. >> reporter: this morning, the skyrocketing number of cases inmore questions about reopening schools.. t of things you can recover from. what you can't recover from is dead. >> reporter: the american academy of pediatrics revealing coronavirus cases in kids jumped by nearly 180,000 in less than a month. youth infection rates growing 90% faster than earlier this summer. >> those numbers are a reminder that kids are not immune from this disease. they do get infected. >> reporter: in part of florida monday, thousands of students returned to class. masks encouraged but not required. in big cities like chicago, los angeles, miami, and houston, students will begin the school year online. new york city taking a different approach. more than 700,000 students are now planning for a combination of in-person and remote learning. >> we are going to be looking like hawks at the numbers. and if the numbers, the positivity rate starts inching upwards, if it gets to 3%, we will remote learn for the entire system. >> reporter: the president monday pushed for in-p

abc's megan tevrizian has the latest. >> reporter: this morning, new disagreements among the white housewhat we're seeing in some of the yellow states and other states is that same insidious increase in percent positive. >> the virus is receding in hot spots across the south and west. we've seen slow improvements. >> reporter: president trump contradicting dr. anthony fauci about the state of the virus as the u.s. death toll surges past 155,000. >> i don't agree with fauci. >> reporter: just hours earlier, the president publicly blasted dr. deborah birx for the first time, calling her pathetic in a tweet after she warned sunday that the pandemic has entered a new phase. >> i have never been called pollyanna-ish or nonscientific or nondata driven. >> reporter: while new data shows daily cases have dropped below 50,000 for the first time since the fourth of july, according to an internal fema memo obtained by abc news, deaths are up 24% from a week ago. mississippi now the state with the highest positivity rate. 21% of people tested were infected. nearly every icu bed in the state is full.

abc's megan tevrizian has more. >> reporter: this morning, covid-19 is now the third leading cause of, second only to heart disease and cancer. one of the nation's leading health experts warning, now is the time to get this under control. dr. deborah birx wishing the u.s. had originally shut down like italy. >> we've learned what americans were willing to do in combating the virus. >> reporter: covid cases at nursing homes skyrocketing, up 80% since early this summer. long-term care facilities account for more than 40% of coronavirus deaths, despite housing less than 1% of the country's population. the sudden spike fueled by new cases in the south where the debate over schools is taking a new turn. >> it's not safe. there will be people who will get sick. >> reporter: at georgia tech -- ♪ i don't know but i've been told ♪ >> reporter: dozens protesting the decision to return to campus by staging a die-in. one week after reopening, the university of north carolina is backpedaling, switching to remote learning after 130 students contracted the virus. >> we have always said that we would

abc's megan tevrizian has the latest. >> reporter: this morning, covid-19 cases nationwide surging pastidwest. in states like ohio and indiana, as well as kentucky and tennessee. covid concerns not stopping crowds from visiting sturgis, south dakota, for the annual motorcycle rally. tens of thousands of people swarming the streets despite objections from many residents. >> clearly things are a little different this year. it's truly not safe for a lot of people. >> reporter: chicago's mayor now threatening to shut down the lakefront, posting these pictures of crowds on social media, calling this reckless behavior. in texas, cases spiking. the state posting a record high seven-day average of positive tests. nearly 1 in every 5 people now testing positive. but new signs of relief around the country. 18 states are seeing hospitalizations drop. and 21 states are seeing positivity rates decline. >> amen? all right. >> reporter: outside one church near los angeles, tensions running high. the godspeed calvary chapel defying a judge's order, holding indoor services sunday, drawing a crowd of cou