Im margaret brennan. We begin tonight with the frantic search for the missing after those deadly and devastating explosions in lebanon. The death toll, which is already staggering, is still climbing. At least 137 people have been killed, including at least one american, and as many as 5,000 people were injured. As we come on the air, the lebanese government has arrested the officials responsible for operating the port. Cbs news has learned the explosion may have been fueled by Ammonium Nitrate stored in a warehouse for six years. These satellite images from before the blast and after show the extent of the destruction. Meantime, here in the u. S. , new york city now says it will set up checkpoints at bridges and tunnels, as well as bus and train stations. Those entering from states with large numbers of infections will be required to fill out a health form and quarantine for two weeks. That move comes as confirmed cases in the u. S. Have soared above 4. 8 million tonight. More than 157,000 have been killed by the virus nationwide. There is a lot of new reporting to get to, and our team of correspondents is covering it all. First, cbs Charlie Dagata has new details on those twin explosions. Cho adu. S. C w was killed, the state Department Says a number of americans wee injured. Theyre also trying to track down any other americans who may have been harmed in this catastrophic explosion. Equipped with little more than manpower and hope, rescuers pulled one man from beneath the rubble after being buried for 16 hour hours. As new details emerged, today, the government ordered the house arrest of port officials who knew about the thousands of tons of Ammonium Nitrate explosives stored at the port for six years without safety measures. Records show that this russian owned cargo ship ran into trouble and pulled into port in 2013. Abandoned, its deadly cargo was transferred to a port warehouse. Small explosions thought to be from a fireworks storage were seen before the massive shock wave that swept through the capital, shattering the peace of a summers afternoon. A smiling bride posing for pictures on her wedding day. explosion the children watching the fire at the port burn from a window. The Domestic Worker who risked her own life to save say toddler. Journalist Ghada Asharif said she was lucky she was at work. Her home was destroyed. What is the atmosphere like this morning in beirut . I think everybody is just in immense shock. I think beyond the physical damage, theres the mental mental sort of National Trauma that everybody is processing. Reporter there is much to process. In addition to the deaths, mass injuries and widespread destruction, the blast leveled the port, decimated its grain silos, in a country that was already facing an economic collapse long before the explosion. Now, yesterday, President Trump says what happened may have been an attack. Today, he said nobody knows. His defense secretary mark esper said most believe the explosion was an accident. Margaret. Brennan thank you very much. Charlie dagata in london. Now to the coronavirus pandemic, which in the last 24 hours, has claimed the lives of more than ricans. Mericans. Another grim statistic florida another grim statistic florida became the second state to top a half million confirmed cases, joining california. Meanwhile, the debate over reopening schools is heating up as major School Districts announced big changes. Heres cbs Manuel Bojorquez. Reporter the nations Third Largest school district, chicago, announced its more than 350,000 students will begin the school year online. But we also understand the struggle this will be for many of our parents. Reporter in georgia, just two days into the school year, a teacher and 20 students had to be quarantined after a second grader tested positive. In a Mississippi School district, six students have tested positive. 116 students and staff are now quarantined. We have to balance the very real risk of the virus and the lifelong damage of school closures. Reporter floridas saint lucie Public Schools released a video showing new measures for an august 24 return to class, including requiring masks are. Photos reveal few or no masks in districts where they are optional. Miamiarea mom sandy bodeau is keeping her teenaged stepson home for online schooling for now. Her ninemonthold is immunocompromised. You teach your child to be the best they can be at following all the precautions, but do you worry about other children who might not . Oh, absolutely. We dont know how seriously other families are taking it, so its putting all our family in somebody elses hands. Reporter the fight over masks led to a womans arrest in new jersey today. Shes accused of knocking over and breaking the leg of a liver transplant patient who asked her to wear a mask. New york city set up checkpoints along bridges and tunnels reminding visitors about fines for not following quarantine rules. On the vaccine front, moderna announced its doese could cost between 32 and 37 for some customers under socalled pandemic pricing. Across the country, nurses protested again, demanding better protection while on the job. The ultimate goal is to get job. The ultimate goal is to get our patients home and to do that in the safest possible way. Reporter in yet another prolonged disruption, the cruise industry said it will continue its ban on u. S. Voyages through october 31. And the university of connecticut said it will cancel its football season due to the virus. Margaret. Brennan Manuel Bojorquez in miami tonight. A short time ago, President Trump repeated his claim that the coronavirus will simply go away. He also declared it will be safe to vote at the polls in person in november, as his Reelection Campaign takes one state to court over mailin voting. Cbs paula reid has the latest from the white house. Reporter in his push to reopen schools, President Trump made false claims today about how the virus impacts kids. If you look at children, children are almost and i would almost say definitely, bu, indeed, get the virus and spread it. Do children get infected . Yes, they do. Have hundreds of thousands of children been infected . Yes. Reporter last week, Vice President mike pence applauded a North Carolina school for reopening with inperson classes, but now fourth graders there are quarantining after a student tested positive. The president is also claiming that it will be safe enough by november 3 for seniors to vote in person. So, by the time we get there, well probably be in very good shape. Reporter there is no evidence to support that projection, and it follows his linhslong assault on mailin voting. Last night, the Trump Campaign sued the state of nevada over its plan to send absentee ballots to all active voters. Even if nevada wanted to do it well, they wouldnt have enough time. Im sure the post office doesnt have enough time. Reporter nevada state senator nicole cannizzaro, who helped pass the ballot law, said the president is simply afraid hes going to lose. This is an effort to suppress the vote and to delegitimize this election. Reporter tonight, facebook removed that video we just showed you where the president claims that children are immune to covid. In a statement, Facebook Says that the video violates its policy against harmful misinformation about covid. Margaret. Brennan and, paula, that is an important clarification for concerned parents. Thank you. Turning now to republican and democratic conventions. Because of covid19, they will be unlike any that weve seen. Tonight, were learning neither candidate will actually attend, but they will accept their nominations remotely. Heres cbs ed okeefe. Reporter joe bidens decision not to speak from milwaukee came after consultations with medical officials warning about a spike in coronavirus cases across wisconsin. Now, biden, his running mate, and others will speak from their home states over four nights beginning august 17. Hello, everybody. Reporter President Trump already scrapped plans to hold his convention in North Carolina, then florida, and today said hes now thinking about accepting the g. O. P. Nomination from the white house grounds. Its certainly one of the alternatives. Ting would be a very convenient idea. Its something we threw out. Reporter biden today also brushed off questions raised by mr. Trump about his mental fitness, telling black and latino journalists, including cbs errol barnett, that hes never taken a cognitive. No, i havent taken a test. Why the hell would i take a test . Come on, man thats like saying, before you got in this program, did you take a test whether youre taking cocaine or not . What do you think . Are you joe biden led the recovery act that saved millions of jobs. Reporter his Campaign Says its launching the largest president ial tv ad buy ever, with spots airing across 15 battleground states, including arizona and texas. Jillsays heclose making decbu announ iodaypresidtrump also debaeandhe time Many Americans can begin voting early. Biden has already committed to three debates beginning in september. Margaret. Brennan and ed, today the state department announced a 10 million reward for information on any actors working with a Foreign Government to interfere with the campaignor the election, yet another extraordinary thing about this election season. Thank you. Today, much of the east coast woke up to the sound of chainsaws and wood chippers one day after Tropical Storm isaias tore through a dozen states, killing at least nine people. About three million homes and businesses lost power. Getting the lights and the air conditioners back on could take longer than usual because of the pandemic. Heres cbs mola lenghi. Reporter from North Carolina to maine, the cleanup is under way. Today, North Carolina governor roy cooper toured a Mobile Home Park that was destroyed by the storm. This is devastating to see what looks like, in many cases, homes exploding. Reporter in connecticut, the storm knocked out power to hundreds of thousands of people. Stephanie convey was inside her home when this 85foot tree fell on it. I was sitting there reading, and this huge crash. Reporter on the eve of her 82nd birthday, no less, and nearly one year to the day since her husband of 57 years passed away. Was it frightening . No. Just because i was so grateful that nothing you know, nothing serious had happened. Reporter right. And a house is a house. Reporter stephanie planted that little tree right there in her husbands memory about two weeks ago. As you can see, it survived, but just barely. Now, the 70mileperhour winds that did all of this are not common for this area, but 2020 is now shaping up to be the secondmost active atlantic Hurricane Season ever. Forecasters are predicting roughly two dozen more storms this year, margaret. Brennan if we use the word unprecedented one more time to talk about 2020, mola, it is just incredible, as you say. Tonight, two incidents are putting a spotlight on the use of force by Law Enforcement on women of color. In one incident, the police chief is apologizing, and the other is forcing the u. S. Secret service to answer some tough questions. Heres cbs jeff pegues. There are kids. Reporter the four kids were ordered to lie face down on the hot asphalt. Two of them were handcuffed, screaming and crying out for their mother, brittany gilliam, who had also been stopped at gunpoint by police who thought they were in a stolen car. They werent. They should have never been put in that situation or treated that way. Reporter chief Janessa Williams said the officers followed protocol but should have used better judgment. He trr mother, they should have stopped that call and done something differently. Reporter gilliam says the august 2 encounter with stick with her kids. The kids are not okay. They are never going to be okay. That is a traumatic experience. Reporter meanwhile, here in washington, d. C. , the secret service is under scrutiny tonight for its actions last week when a marked cruiser cornered a parked car flagged as stolen. Inside, two African American mothers and their kids, who did not, of course, fit the description of the two male suspects. Once they knew that there were children in the back, they should have been like, guns down, guns down, these are not the two black men were looking for. Exactly. Reporter black women are often targets of Police Excessive force. Data from 2013 show they are three times more likely to have force used against them during a police stop. The secret service says it is investigating last weeks incident here, and it disputes how some of the incident is being characterized. In the meantime, the police chief in aurora, colorado, says they will cover the cost of trauma counseling for the kids involved in that incident. Ma margaret. Brennan jeff pegues in washington, thank you. Theres still much more news ce. The warning tonight about a lifethreatening disease that targets children. What parents need to know. In a surprising revelation, former First Lady Michelle Obama talks about her personal Mental Health struggles. 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Warns it is a medical emergency, and it requires immediate recognition and care. Symptoms include sudden arm or leg weakness. Today, former First Lady Michelle Obama revealed that the last few months have taken a toll on her Mental Health. On her podcast she said shes felt emotional highs and lows and is dealing with what she calls lowgrade depression. And shes not alone. A government study showed a third of americans reported and depression in recent months. Pete hamill, the famed journalist who first walked into a newsroom in 1960 died today. He wrote more than 20 books. In 1968, he helped subdue the gunman who assassinated robert kennedy. Pete hamill was 85 years old. Up next, Summer School for a new age. The teacher is only 15. Alerts. Remind us. And forewarn us. But if you have type 2 diabetes. And risks for heart disease,. Damage to your heart may have already started. Up to 50 percent of you may be at risk for heart failure. And theres a chance you could land in the hospital. 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Reporter 15yearold ian brock from chicago spends hours a day online, and not gaming or on social media. Hes teaching kids of color how to write computer code. I believe wholeheartedly that Computer Science is one of the ways our community will be able to build generational wealth, as wealth, as well as get equality in this country. Reporter through his organization dream hustle code he started Online Coaching when the pandemic hit. While serving up music, fun. Woot, fortnite reporter . Even personal development. One thing you want to focus on with your goal is you want to be as specific as possible. Hes like a fun mentor. Reporter one of his 300 summer students is riley hattin in california. Why do you see him also as a mentor . Because hes inspiring. Reporter ians parents run the nonprofit full time. When you see him giving personal development advice. laughter hes a 15yearold. He still has issues with cleaning up his bedroom. But im inspired by it, because that definitely was not a part of my life at his age. Reporter are you sure youre 15 . Yes, i am im definitely trust me. Reporter 15yearsold, and out to change the world. Rianaz,. Brennan and happy birthday to ian, who turns 16 tomorrow. Well be right back. I wanted to tell you about my greatgrandmother. She was not able to vote in her lifetime, but i wanted to honor all that she had done to ensure a Lasting Legacy of education and civic involvement. Im very proud to carry on her story. We have to meet itg aas onent threat. Numbers dont lie. Infection rates are now going up in more states than they are going down. Weve got to fight this together. Wear a mask, keep your distance, limit the size of crowds. It may be inconvenient and may be uncomfortable, but its the right thing to do as an american. We need a president who will level with the american people, a president who will tell us the unvarnished truth, a president who will take responsibility a preswho will listen to , follow the science, allow them to speak, a president who will lead and be an example for the nation. We have to do all we can to keep our fellow americans safe and healthy. Im joe biden and i approve this message. Balanced nutrition for strength and energy. Whoohoo great tasting ensure with 9 grams of protein, 27 vitamins and minerals, and nutrients to support immune health. Brennan and tomorrow on the cbs evening news, story time with dr. Connolly, how a family project to tell positive stories about black history is empowering children of color. If you cant watch us live, dont forget to set your dvr so you can watch us later. And that is tonights cbs evening news. For norah odonnell, im margaret brennan. Well see you back here tomorrow. Good night. Captioning sponsored by cbs captioned by Media Access Group at wgbh access. Wgbh. Org this is the cbs overnight news. Im jeff pegues in washington. Thanks for staying with us. There is growing kesh about a recent spike in coronavirus cases in lockterm facilities like Nursing Homes. Erldly residents are especially susceptible to the virus. In florida the goish has designated 23 lock terrell care facilities as covid19 Isolation Centers where patience are sent to recover. The families of peel already living in those holes say thats putting their loved ones at risk. David begnau has the story from key biscayne. The nursing holes residents are believed to have died from the coronavirus and 6500 of those happens many site of new york. There are hearings in new york to address those deaths and the policies that may have led to some of they will. But after seeing what happened in new york, you have fallies now who have relatives in florida who are worried with the fact that the state of anyway is allowing Nursing Homes to accept covid positive patience. This is reckless. It is potentially lethal. Danielle co seven on a selfdescribed crusade in the state of florida. To end a practice that she says is putting the states elderly living in Nursing Homes should be put in danger jooflt i dont think there should be a decision to bring it in. Her grandfather lives at this Health Center in Broward County in southern florida. Its one of 23 covid Isolation Centers that have entered an arrangement with the state to house patients. Four familiarities are dead tated to covid only cases. I certainly understand the concern that any Family Member would have. But ill equally committed to ensuring the safety of our residents in these facilities. Mary may lieu leads floridas administration. They oversee all the Isolation Centers in the state. How much do these facilities receive money wide where the state to take in these patients . We are paying a rate for their vacant beds to make sure those beds are available, and then we are paying them for anybody who ais on medicaid. Were paying them a higher rate. Otherwise, most of these individuals are medicare. According to state data the Isolation Centers receive around 3 the 25 a