gives way beneath them. across the sit of 12 million rising flood waters trapped drivers in their cars and residents in their homes, around 100,000 people have now been evacuated. the military has been deployed to assist. this video from state media shows a near by dam being blasted open to diverter flood waters away from the ravaged city. with more rain water on the rain in what is described as once in millennial event could bring more rain in the future. world health organization not allowed to have a second study to whether the coronavirus occurred naturally in bats or created in a lab.

the wuhan institute of virology was studying in bats before that and some of the research may have been funded by u.s. national institute on health. republicans on capitol hill are demanding documents on the research but so far the w.h.o. has refused, spoke with the top often energy and commerce committee is one looking for answers. >> she's trying to answer the critical question whether u.s. government grants played a role in risky research in wuhan lab that could have started the pandemic, those records are just one data point in a complex investigation. >> we want to know what was funded through taxpayer dollars to the wuhan lab. >> this republican congressman told cbs news despite two former requests the national institute of health has not fully cooperated with investigators.

>> we need to better understand when nih started fund grangted at the wuhan lab. >> in a lebanon obtained by cbs news, the nih has not provided a single document whether nih funding played a role in risky research in china. >> we're 16 months into the pandemic, why do these records still matter? >> think of every loved one we lost, every health care workers on the frontline combatting the coronavirus, or every student struggling with mental health, we deserve these answers. >> this is a complex issue that unfortunately has been politic sized by the republicans, republican frank added the administration needs to be given the time to complete this work.

and former safety agent saying he uncovered issued at the wuhan lab. >> there was work with dangerous virus safety level two, which is compared to the safety level roughly of a dentist office. >> the nih recently confirmed money went to the wuhan lab through eco health alliance, american research group and said did tht propose research to enhance any coronavirus to be more transmissible. anthony fauci pushed back against the claim that u.s. money may have made the virus so dangerous. >> dr. fauci know it is a crime to lie to congress do you wish to retract your statement may 11th, nih never funded research in wuhan. >> senator paul, i have never lied before congress and i do not retract that statement.

do you not know what you're talking about, quite frankly. >> we're providing the records. skip away the politics. >> absolutely. transparency is the key. we need to have answers. we need to know the origins of covid-19. >> so that we can protect ourmi doesn't happen again. >> n ih released a statement to cbs news saying in a letter and subsequent briefing they're currently working to provide additional information. hey, i just got a text from my sister. you remember rick, her neighbor? sure, he's the 76-year-old guy who still runs marathons, right? sadly, not anymore. wow. so sudden. um, we're not about to have the "we need life insurance" conversation again, are we? no, we're having the "we're getting coverage so we don't have to worry about it" conversation. so you're calling about the $9.95 a month plan -from colonial penn? -i am. we put it off long enough.

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the new school year is right around the corner and many parents are already getting a painful lesson in economics, the price of back to school prices have some reeling from sticker shock. omar villafranca with more. >> reporter: in summer already thinking about the fall and rising cost of school supplies. >> crazy to see it go up so exponentially. >> the school district will spend more than $4 million in school supplies. >> i looked online for crayons that happened to be $3, i know normally i've seen them just walking through the store, 50 cents. so it was kind of shocking. >> reporter: industry experts say part of the reason for the price jump is when covid shut

down the country the supply chain was also put on hold and retailers are trying to get back to normal. >> they're having to pay for airfreight versus shipping cargo to get things here on time. the cost of transporting goods has been a maker concern for many retailers. >> reporter: this year the national retail federation expects consumers to spend $37.1 billion on supplies, up $3 billion from last year. and k through 12 expected to spend just over $848 per household, with two elementary aged boys, erica is recycling. >> we're going to have mismatched bags but it works. >> reporter: for her stretching the dollar makes good sense. cbs news, fort worth, texas. all eyes on the sports world

turn to tokyo for the opening ceremonies of the summer olympics. for the first time organizers are allowing athletes some leeway to protest, getting a thumb's up from a champion american sprinter who helped rock the olympic world 53 years ago. vigliotti with his story. >> reporter: the year was 1968, american sprinter, john carlos joined by tommy smith stood on the podium in mexico city, fists high in the air as the national anthem belted through the stadium. >> i feel like a young individual i represent american but at the same time america doesn't seem like it want me to represent self, that's a distaste in my mouth, in my mind. >> it was a silent call for civil rights heard around the world andade possible because of the stage on which he stood.

>> i could have gone to the apollo theater, i was raise in harlem, i could have gone to europe to make a statement, but that wouldn't reach the masses i wanted to reach. i'm not the only black man in peril in the united states, there's people in peril around the world. we need to send a message out that we're fighting for a bet erday for all people. for me that was my ticket purpose of going to the olympic games was to make a statement. not to win a medal or show how great i was in track & field. >> so for you taking that platform and using it to send your message was more important than even placing to begin with. >> absolutely. it was just as important today than back at that time. i'm committed to this. i'm not here for the moment i'm here for the movement. >> that movement has exploded since that momentous day 53 years ago, ask colin

kaepernick's kneel to locking arms and hanquinn barrie lookin away of the flag create going trouble, that's something to be proud of, particularly when a people, a race of people are in the fire. many individuals run in that crisis situation but there's certain situation individuals that will stand tall for all of those individuals that stood as well as those that ran. >> reporter: this year the international olympic committee announced new rules to deter these acts allowing athletes to protest before the events but not during competition or on the podium. this i aert ase by activism and expected protests

across the spectrum of human rights causes. >> i think it's a really catch-22 type spot that the olympic movement put itself in making grand claims about it's naturally and organically. when in fact, i think, a lot of sports progressive forces come through conflict, through people speaking out and protesting. >> that's the message of john carlos that speaking out can help bring unity and respect to all, no matter the pedestrial i comes. >> i didn't pull my pants down or show the finger or anything distasteful, i did something very educational and thought-provoke zbrg iffing. >> if thought-provoking. when you look at that hand it's an open hand. when you think about how frail

this is five individuals, think about how powerful they would be coming together, it's about

one of the hottest tickets in southern california this summer is the annual huntington

beach surf dog competition, hecani d w th rro theot ggg, of the most four-legged surfers and their trainers took the wave in southern california for the purina surf dog event. alicia nelson said her dog gidget is born for this. >> it's a joy to have with your dog, many people can relate, i was a competitive person in sports and i wanted to do something with the dog, that's where we get the relationship. >> they are judged bit length of the ride, size of the wave, confidence and of course style. >> we saw one dog turn around and face the other way and turn right back around. we saw a couple floaters out there. >> the surf competition is part of the incredible dog challenge put on to bring people and pets

closer together. >> we have dogs in freestyle tennis and everyone's favorite diving dog. >> for ryan and his dog sugar it's all about celebrating the bond between man and man's best friend. >> it's my best thing to do with her. we love surfing together. >> a group of life guards cheered on gidget for winning in the small dog category and sugar for taking first among the large dogs. win or lose it's a way to give all the dogs their day and for their humans to share that moment with them. in huntington beach, anthony pu >> and that is the overnight news for this friday. for some of you the news continues, for everyone else check back later for cbs this morning and of course follow us online any time at cbsnews.com. reporting from the nation's

capital i'm errol barnett have a great weekend. ♪ it's friday, july 23rd, 2021. this is the "cbs morning news." let the games begin. the olympics get under way as covid-19 sidelines more athletes. the latest jump in cases as tokyo remains under a state of emergency. gun trafficking. the justice department is stepping in after major u.s. cities see more violence. how it plans to chase down illegal weapons before they're used on the streets. >> why the government just sent a stern message to people in florida who are showing support florida who are showing support for cubans. captioning funded by cbs good morning. good to be with you, i