patients, ambulances diverted, key tourist sites closed down. residents instructed to boil water. why the mayor says repairs are now delayed. the doomsday cult leader sentenced to death for the murder of his ex-wife and his second wife's two children. chad daybell sitting motionless while sentenced, the powerful victim statements read in court. the first polls out today. did donald trump's conviction shake-up the race for president? boeing's starliner spaceship launch to space scrubbed again. what went wrong. dramatic new video. cameras inside when an ohio building explodes. new details on what caused it and the first responders who raced to the rescue. >> you're okay. you're okay. >> go, go. >> we got him. we got him. is your insurance company watching your home from above? how they're using drones and planes to search for issues. then dropping some customers. >> i think it's going to be a nightmare for a lot of people. and the biggest rivalry in women's basketball gets ugly. angel reese cheering this hard foul on caitlin clark. >> announcer: this is nbc "nightly news" with jose diaz-balart. good evening. a crisis is unfolding across a major american city right now. much of atlanta does not have any water at all, and there is no end in sight. take a look at this. this is just one of the water mains that burst on friday. now more than 24 hours later it's still gushing. one major hospital is now diverting most emergency patients and has to transport others to different facilities. the city's aquarium shutdown. a major pop star's concert canceled. the mayor late today saying there is no time line for repairs. george solis starts us off tonight. >> reporter: tonight, a major american city is in crisis as a water outage wreaks havoc across atlanta. >> the water is a valuable, a critical piece -- a critical resource, and cities can't function and lives can't function without it. it's absolutely at the top of our list. >> reporter: the outage sparked by multiple water main breaks that occurred friday, and tonight remain broken. video showing the rupture sending water gushing onto streets. >> people need the water. people got to eat, people got to cook. we got kids. we need the help. >> reporter: atlanta's mayor apologizing for the city's initial lack of communication as he addressed setbacks today in the repairs of the aging infrastructure. >> and i will be candid that overnight we did not do the best job of communicating. >> reporter: with every passing hour, the situation growing more tense as boil water advisories are extended. emery hospital in midtown atlanta forced to divert patients. the hospital bringing in some 58,000 gallons of water via tanker trucks to use in the hospital's cooling towers as well as bottled water. how detrimental has this been? to services at the hospital? >> it's been an unbelievable challenge both for our staff and for our patients. >> reporter: the famed georgia aquarium, the largest in the united states, posted it would be closed today because of the outage. the disaster also forcing the delay of rap star megan thee stallion's concert scheduled for friday at state farm arena. >> i'm not mad at that. i'm just mad at the circumstances. >> reporter: tonight a dangerous and massive mess with no immediate end in sight. george solis, nbc news. there is breaking news tonight about the man who has been called a doomsday court cult killer. chad daybell was sentenced to the death penalty today convicted of killing two children and his ex-wife in a case that captivated the nation. dana griffon reports. >> it would be appropriate to impose the death penalty. >> reporter: chad daybell, the so-called doomsday cult leader convicted of triple murder sentenced to death. an idaho jury deciding his fate on saturday two days after finding him guilty of conspiring with his wife to murder chad's first wife, tammy, and lorry's first wife tam kids 16-year-old ryan and 7-year-old j.j. vallow. >> i lost everything, but more importantly we all lost tylee and jj. >> i was praying for a just verdict, and we got it. >> reporter: today in court like much of the two month long trial daybell sat emotionless. what happens next? >> the appeals process begins, and this can take years if not decades. >> reporter: the sentence marks the end of a grim investigation that gripped the nation starting in september 2019 when the two children were last seen alive. daybell's first wife tammy died a month later, just weeks before lori and chad married. months later, the newlyweds donling questions while in hawaii. the following summer the children's remains were found buried on chad's east idaho property. >> it has been a nightmare that you feel never ends. >> reporter: the state painting daybell as a self-proclaimed doomsday prophet. >> money, power, and sex. that's what the defendant cared about. >> reporter: saying he and laurie used twisted logic to validate the murders, calling their victims zombies with dark energy that needed to be castedr out. >> i know for a fact that my children are happy and busy in the spirit world. >> dana, the appeals process could take decades. but if this ruling does stand, do we know how the death sentence could be carried out? >> yeah, we do. so idaho law allows for execution by lethal injection or firing squad, but firing squad executions have never been used in the state. jose? >> dana griffin, thank you. a disappointing day at cape canaveral in florida as nasa was forced to again scrub the firsto launch of boeing's starliner spaceship with astronauts onboard. the mission is years behind schedule. tom costello is at the kennedy space center. and tom, they also had to scrub just last month. >> reporter: that's right. may 6th they had to scrub because of a helium leak in the rocket made by united launch alliance. not boeing's problem. but then today another problem with united launch alliance rocket. the astronauts was strapped in, supny, butch, ready to go, and then a t-minus 3 minutes and 50 second, suddenly the computer stopped the launch. engineers now believe they have a hardware problem with the launch commuter with the ula rocket. they're going to try again on wednesday according to nasa as they work this problem. if they get it up, it'll be the first time astronauts have been on that boeing starliner spaceship. jose? >> thank you. now to fallout from donald trump's first conviction. the first polls are in what impact it could have on the presidential election. here's vaughn hilliard. >> reporter: tonight voters weighing in, reacting to former president trump's guilty convictions. >> my reaction was bleep yes because he deserves it. >> i think this whole thing has been a mockery. i'm embarrassed for our country. >> reporter: trump leaving new york this weekend for his golf club in new jersey, with a planned stop tonight at a ufc fight. and now we're seeing the impact the seven-week trial could start to have on the presidential race. new polling taken after the verdict showing a majority approve of the jury's decision. most concerning for trump is the impact it may have on the small pocket of voters on the fence. 11% of gop voters and 26% of independent voters suggesting they're less likely to vote for him now. but largely the historic conviction keeping the biden-trump rematch in that same months long deadlock. where it is changing things, campaign coffers. trump's team reporting it's raked in more than $52 million since the verdict. narrowing president biden's lead in the cash race. >> no one is above the law was reaffirmed. >> reporter: republican legislatures now lashing out. several senators, including jd vance, pledging they are no longer cooperating with democrat legislation or approving judicial appointees. >> they're going to try to throw donald trump in prison, we're taking the gloves off. >> reporter: a difficult fight ahead for the gop as their party's presumptive nominee faces mounting legal pressures. vaughn hilliard, nbc news, new york. we are tracking another major presidential election. this one in mexico tomorrow. that country is widely expected to elect its first woman president. yet violence has overshadowed political campaigns with dozens of candidates assassinated, the most ever. most guad venegas is in mexico city. and a warning some of what you're about to see is disturbing. >> reporter: it's a historic presidential election. for the first time in its 200-year history two female candidates lead the presidential polls in mexico. the front-runner claudia is a former mayor of mexico city, a close ally to president lopez. she speaks fluent english is also an academic that has lived in california's bay area, studying both at stanford and berkley. >> what i like about claudia the most is her scientific point of view about society. >> reporter: her top competitor is a businesswoman and former senator known for her center right politics. but the historic moment of this election is overshadowed by fear, violence, and death. dozens seeking office in mexico this election cycle have been assassinated. some attacks caught on video as the country falls victim to criminal organization. >> we have been living in mexico a process of violence, insecurity, and penetration of crime organizations trying to get control of local and municipal governments over the past ten years. >> reporter: mexico's gangs connected to known cartels also profiting from human smuggling as thousands of migrants arrive in the country daily, many with hopes of making it to the u.s. >> they're all over. they're here in camps like this. there's about 5,000 in mexico city. i think there's a lot more in the north that are waiting in similar spaces. >> reporter: mexico's new president will face pressure from u.s. authorities to stop migrants heading north and avoid a new surge at the u.s. border as well as demands at home to bring down rampant crime. >> guad, with all the extraordinary levels of violence in that country, what kind of security is in place for tomorrow's election? >> reporter: mexico officials have announced more than 27 000 members of the national guard will be deployed to offer security on election day and more than 500 candidates have received additional security nationwide, jose. >> guad venegas in mexico city, thank you. in india, weeks of voting finally ended there today. the vote could have huge implications not only for india but america's interests in the entire region. janis mackey frayer is there. january? >> reporter: jose, voting lasted for six weeks in what the is world's biggest election, nearly a billion registered voters. the results are expected to be announced on today with prime minister narendra modi expected to win, but critics say it comes at a cost to democracy. they accuse modi of cracking down on opposition candidates and ramping up rhetoric on muslims to rally the hindu majority. where india heads in the future is a crucial concern for the united states as more american companies are growing manufacturing here, and the biden administration is looking to india to balance china's influence in the region. jose? >> janis mackey frayer, thank >> thank you. still ahead tonight, the heroic rescue caught on camera after a deadly explosion. plus, watching from above. the insurance companies keeping an eye on your home without you knowing, and how it could play impact the price of your policy. before you were preventing migraine with qulipta? do you remember the pain, the worry, the canceled plans? and look at me now. you'll never truly forget migraine but qulipta reduces attacks making zero-migraine days possible. it's the only pill of its kind that blocks cgrp and is approved to prevent migraine of any frequency. to help give you that forget you get migraine feeling. don't take if allergic to qulipta. most common side effects are nausea, constipation and sleepiness. learn how abbvie could help you save. qulipta, the forget-you-get migraine medicine. okay everyone, our mission is to provide complete, balanced nutrition for strength and energy. yay - woo hoo! ensure, with 27 vitamins and minerals, nutrients for immune health. and ensure complete with 30 grams of protein. 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