alternating schedule. half of the students will attend in-person one week and then remotely the next. >> well you have electives like art and chorus and band? >> yes. some of the challenges are similar to science, in that you're having students handle multiple materials. so we have to think of ways around that pap band will probably be outside as much as possible, and when they're inside, we're going to use large spaces like the auditorium. >> people were beginning to worry because they saw case counts in other parts of the country go up as well. >> reporter: in philadelphia, superintendent dr. william hite says fear from some forced them to change from a hybrid plan to an all-digital model. >> it was important to make this decision now because individuals need to plan for the school year. we're trying to create drop-in centers so family and essential workers have a place for their young andhoseave intern access. >> reporter: about 100 miles ch

superintendent at meridian 223 is nervous about opening in two weeks. >> if i make a decision or lead the board down a road that's too aggressive we could, you know, literally be putting someone's life at risk, and that is a burden that i did not assume was going to be part of my job description when i became a superintendent. >> reporter: the debate over whether to open schools has divided the country. many teachers are scared. >> give us choice! >> reporter: while this weekend parents rallied in georgia, calling for schools to reopen, worried their children will fall behind. in pnew jersey, this superintendent says it's impossible to please everyone. wi wak m ofal a t tallyething n the night. >> on a scale of 1 to 10, what is the chance that you'll reopen? >> i, unfortunately, think it's very low. i think a 1.

>> a 1? >> mm-hmm. >> and how would that feel after all the work you're doing to try to reopen? >> you know, as much as this is a tremendous leadership challenge, and i say that in a positive way, of just working through the scenarios and thinking through how to do this well, it's also time that we could be spending preparing for distance learning, helping our teachers to really be solid remote teachers, and it's unfortunate that we're not able to devote our time to that because we're doing this. and we may be doing this and it won't even happen. >> reporter: sergeant says she hopes they make a decision sooner rather than later so families can plan, but ultimately she knows it can come down to the state even athe s. that was meg oliver reporting from new jersey. now to what's happening overseas where parts of europe are battling a second wave of coronavirus infections. elizabeth palmer has the story from london. >> reporter: in australia's second largest city, melbourne, the streets overnight were deserted adds the government

declared a state of disaster. life here had been close to normal again until a sharp spike in covid cases. now in this city of 5 million, only one person per household can go out to shop and police are enforcing an hour a day limit on exercise and a strict dusk to dawn curfew. where you slept last night is where you'll need to stay for the next six weeks, premier daniel andrews said. >> you will be stopped and you to that you are d you will need lawfully out and you're not breaching that curfew. >> reporter: in europe, too, there has been an outbreak of covid. the french have set up testing stations at airports, so have the germans. all over the weekend there was pushback. marched in berlin demanding what they called their freedom. in saudi arabia, the annual hajj to mecca would have sent covid cases skyrocketing, so the government slashed the number of

pilgrims allowed from more than 2 million last year to a cautious, spaced-out 10,000. only the moscow authorities look out of step. with roughly the same amount of new covid cases as melbourne, they let a half marathon go ahead. the 9,000 runners would be encouraged to social distance, they said, which worked out about as well as you might expect. it's now been six months since the world heath organization declared coronavirus a global health emergency, and just this morning its head said there is no silver bullet to stop it. at least yet. >> that was liz palmer reporting from london. coronavirus is also spreading across africa, especially in south africa. which has about half the reportf th entireent.derapatta . >> reporter: these men have been told to prepare dozens of graves as the number of covid-19 deaths rises sharply. it was hoped africa would be

spared the worst, but the virus is spreading with ruthless efficiency and over half of all cases on the continent are in south africa. >> doctors at this hospital in johannesburg are seeing a masked increase in critically ill patients. so much so that they've had to turn this pediatric ward into a high-risk covid unit. >> reporter: field hospitals have been set up to deal with the explosion of infections since lockdown restrictions were eased. oxygen is the new currency of this pandemic. and it's in short supply. >> we're very concerned. this is uncertain times. we're not even quite sure to what the numbers look like and will look like, and indeed, we're not sure as to how the health care system will be able to respond. >> reporter: in the country's poorest province of eastern cape, the health system is in meltdown. in this overwhelmed hospital, a

security guard covers for medical staff as a patient is carried in. at livingston hospital in port elizabeth, a shortage of beds means the sick are being turned away. >> it's heartbreaking, in the sense that you -- you end up, yourself and your team, having to say no to somebody's mother, somebody's grandmother, somebody's father, somebody's uncle. >> reporter: medical staff secretly took these images of overflowing medical waste and floors. as more people continue to die in underresourced hospitals, the number of ribbons tied outside this church continues to grow. each one represents a south african life claimed by the virus. for a country in crisis, that vaccine cannot come soon enough. an early lockdown in south africa saw a delayed spread of the coronavirus.

but now it's arrived in full force with experts saying it's only expected to peak in september. deborah patta, cbs news, johannesburg, south africa.

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two nasa astronauts are back home this morning in houston after their historic two-month mission to the international space station. the spacex dragon capsule splash landed in the gulf of mexico on sunday. mark strassmann has the story. >> reporter: after 64 days in space, astronauts bob behnken and doug hurley reunited with their families sunday night. >> to be where we are now, the first crewed flight of dragon is just unbelievable. >>agon spex, sepn pmmet ints mosphe reacheir 19- degrees. blacking out communications for about sib minutes. in mission control, spacex

founder elon musk, front and center, waited anxiously to hear from the crew. >> dragon, spacex. comcheck. >> we hear you loud and clear. >> reporter: under four giant parachutes, the capsule descended 15 miles per hour, splashing down in the warm gulf waters. >> splash down. >> welcome back to planet earth. thanks for flying spacex. >> thank god. you know? you know, i'm not very >> not since 1975 haved forhion american astronauts returned to earth with a water time. just about right on target. >> reporter: but apollo splash downs never looked like this. >> you are seeing a few more boats than expected. >> reporter: more than a dozen recreational boaters swarmed capsule, ignoring coast guard warnings as crews tried to recover it and the astronauts inside. >> something like this just really can endanger the whole

thing. >> reporter: nasa administrator jim bridenstein. >> that is not what we were anticipating, the boats just made a beeline for it. there are things we're going to look at that we can do better next time. >> reporter: dragon looked like a giant charred marshmallow as it was hoisted aboard a spacex recovery ship. behnken and were pulled out okay. it will open a new era of commercial space flight. >> does it mean something to you guys in this new age to be the first? >> after you come back and it's successful, you know, bob and i can go hang out some place and have a beer and maybe then we can reflect on, you know, all those things. >> reporter: now after nine years of relying on the russians, america is back in the business of launching and landing astronauts. >> it took years to get here. we brought the capability back to america. and we came home safely to our families.

>> reporter: time for that beer hurley talked about. we can all toast to that.

it all started out as a simple request from a customer. now a newspaper carrier has found a whole new mission in life. steve hartman found his story on the road. >> reporter: long before social distancing, greg daily was already keeping his customers at arm's length. in fact, to those on his paper route in central new jersey, greg has never been anything more than a blur past their driveway, but as we first reported in april, all that changed when one elderly customer asked him a simple favor. could he please pull in and throw the paper closer to the garage? >> it hit me that if she can't get the paper at the sidewalk, which is 20 feet from the house in this pandemic, how is she going to get the things that s needs? so a couple of days later i just decided, you know what? i'm going to put this note out.

name is greg daily and i deliver your newspaper every morning, which was news to most people. i would like to offer my services free of charge to anyone who needs groceries. from that moment to this, the phone has been ringing off the hook. he takes the orders, does the shopping and delivers the groceries, not by whipping them out the window, but by carefully placing them on the porch. >> for you. >> reporter: and, boy, are people grateful. >> i'll step back and put them in the house for you. >> reporter: eileen stein is 85 and recently widowed. >> i don't have enough adjectived. he is one of the finest people in the world. >> reporter: the lady at this house went even further, called him the closest thing to god. >> there's a level of appreciation here, steve, that goes above and beyond anything i've ever seen. but, no, i'm not going to stop. >> well, you'll stop when this it done. >> i -- >> reporter: greg said not necessarily.

>> there's something about being able to do something really nice for people. >> reporter: and sure enough, since thi story first aired, greg has expanded his mission, about 130 seniors are now on his grocery route. >> my pleasure. >> reporter: he's also added about a dozen volunteers, mostly college students who assist with the shopping, and he has plans to do still more. >> okay. >> reporter: greg daily was called to duty by circumstance, but he's staying in service by choice. >> have a great day, all right? >> reporter: steve hartman, cbs news, on the road. and that is the "overnight news" for thi this tuesday. for some of you, the news continues. for others, check back later for "cbs this morning," and you can follow us online any time at cbsnews.com. reporting from the nation's capital, i'm jeff pegues. captioning sponsored by cbs

>> o'donnell: tonight, a dangerous tropical storm gaining strengths, expected to slam the carolinas tonight as a hurricane and pummel the northeast on tuesday. nearly 120 million americans in the path of isaias tonight from the carolinas up to maine, and out west firefighters battle a blaze near los angeles causing thousands to eva evacuate. covid concerns overcrowds hundreds of party in a pandemic on a boat in new york city with few masks. the owners arrested. a huge concert in missouri. and look at this summer party in illinois. the president bashes dr. birx. president trump calls the head of his coronavirus task force