In nebraska, sweeping through cities. New videos from above. Entire neighborhoods wiped away. Dozens of workers trapped for hours inside this building. Homes torn from their foundations. I dont know where we go from here. Plus were tracking more Severe Weather and tornados, 40 million in the cross hairs. The new video just released. Another american hostage held by hamas. His familys reaction tonight. Campus protest crackdown. Protesters detained today at colleges from arizona to indiana to boston. Will other colleges follow . A Third American tourist arrested in the caribbean, also for accidentally carrying bullets in his luggage. We talk to two who are facing 12 years in prison. My heart it just sunk. I had no words. Reporter and the Cicada Invasion has begun. Trillions emerging in a phenomenon that hasnt happened since Thomas Jefferson was president. The noise so loud residents are calling 911. Announcer this is nbc nightly news with jose diazbalart. Good evening. A weekend of already devastating weather may be about to get even worse. Residents in the midwest bracing for a brutal second round after a massive Tornado Outbreak on friday. Take a look at this video. A tornado tearing across a highway in lincoln, nebraska. And just as terrifying as seeing it, hearing it. Tornados tore through parts of iowa and nebraska leaving massive damage in their wake. This is the view from above. Much of the neighborhood in omaha totally leveled. And from the ground you can see just how powerful they were. Only foundations stand where entire houses were just hours ago. All in all, as many as 80 possible tornados touched down on friday. And the next wave has already begun. This is a twister on the ground in oklahoma late today as forecasters fear there may be even more tonight. We are covering it all tonight, and we begin with Jesse Kirsch In Hard Hit iowa. Reporter Violent Twisters Shooting Debris into the sky. Violent tornado, guys. Violent reporter in all, dozens of tornado reports across multiple states since friday. And tonight one area after another has been reduced to rubble. I i dont know where we go from here. Reporter in iowa The City Of Mindon was gutted. The house is gone, the foundation is the only thing left. Reporter from the air you can see block after block of devastation. Here in mindon Officials Say this ravaged home is in the middle of a street. Its supposed to be yards away on this foundation. And you can see it is hardly the only building badly damaged. About 180 homes were impacted. About 40 are probably destroyed. Reporter eric johnson lost part of his business. All the rest of this stuff can be rebuilt. I mean you cant get a life back. Reporter the citys mayor says its been decades since they saw damage like this. 1976. Reporter the mayor that was the last time the last. Reporter neighboring nebraska also hit hard. Oh, somebody got hit. Reporter this twister tearing across an interstate friday with drivers still on the road. This semi, flipped on its side. About 70 people were inside this building when Officials Say a tornado hit. The structure collapsed, but everyone was evacuated. And in elk horn, nebraska, in this neighborhood, homes wiped off the map. This bedroom now open air with a mattress and dresser still there. Only one wall remains in this room, but items still sit on the shelves inside. Volunteers already stepping in to rebuild. We will come together. Yeah, this is what we do here. Reporter the devastation stretching all the way south to texas. When i drove up, i lost i mean, my stomach went down. And now i know how other people feel. And i feel bad for them, too. Reporter and back here in mindon, iowa, clearly still a good amount of cleanup to be done, but this is one of the already hard hit areas that is back in the threat zone for more potential Severe Weather tonight. Jose . Jesse kirsch, thank you. And the dangerous Weather Threat isnt over. Lets get right to meteorologist Angie Lassman for the latest. Angie . Jose, that threat far from over as you mentioned and continuing across a large area. 39 Million People included in this threat well into this evening the hail, tornado, as well as damaging winds on the table. The strong itself of the tornadoes from kansas city to Wichita Falls into dallas. This goes after dark, into the overnight period. We know how dangerous those nocturnal tornados are. More of the same, strong thunderstorms that will build right along that front, Heavy Rain Draped across the midwest and by the way, Flash Flooding Concern as well. And hourly Rainfall Rates anywhere from 2 to 4 inches with the highest amounts centered across parts of oklahoma and texas. We could see upwards of isolated amounts 5 inches or higher across this region. Jose . Angie lassman, thank you. To Breaking News now out of The Middle East and another video just released of two hostages held by hamas including one american. Tonight his family now sending their own message. Megan fitzgerald reports. Reporter Tonight Hamas releasing another Video Showing two hostages. 47yearold amri miran, and american israeli 64yearold keith siegel. This undated video is the first time the two have been seen during their 204 days in captivity. Keith, who works for a pharmaceutical company, and aviva, a Kindergarten Teacher have lived kibbutz for 40 years. They were both taken by hamas october 7th. But aviva was released during the last deal 51 days into the war. Aviva with their two daughters releasing this video tonight. Seeing my father today only emphasizes to all of us how much we must reach a deal as soon as possible, she says. Aviva saying, keith, i love you, we will fight until you return. This latest Hostage Video coming just days after hamas published this footage of american israeli 23yearold hersh pollin goldberg. Nbcs raf sanchez speaking to his parents on thursday. Initially, you know, we were just crying. This was a tremendous validation, and on the other hand we see him, hes in captivity. Reporter many more families tonight desperate for a sign of life, and pressure on netanyahu mounting. Megan, where do Hostage Talks stand right now . Reporter jose, so far theres been Little Movement on a deal, but hamas saying today it was reviewing a new israeli proposal for a ceasefire in gaza. Jose . Megan fitzgerald, thank you. Back in this country new clashes today between police and propalestinian protesters on College Campuses. Hundreds detained across three different universities george so. George solis has the latest. Reporter tonight new crack downs on propalestinian demonstrators on College Campuses across the country. 69 arrested over an unauthorized encampment at Arizona State university earlier this morning, according to a university spokesperson. At the University Of Indiana in bloomington this Afternoon Police forcibly detaining demonstrators and arresting 23 after dismantling tents setup on campus. And in Boston Police detained more than 100 demonstrators at Northeastern University after an unauthorized encampment was infiltrated by professional organizers according to university officials. Meanwhile at new Yorks Columbia University a surreal juxtaposition. Some preparing for Graduation Set for midmay, while others refusing to leave a tent city, firmly established on the campus. Earlier this week the university barred a Student Leader from the campus after a video surfaced for the individual calling for the death of zionists. The student has since apologized for the remarks. A few miles downtown at nyu, a new encampment set up just days after nyu cleared one from campus. Protest leaders unsure what repercussions they may face. Are you prepared to not graduate because of whats been unfolding here. Honestly, yes. To me palestine is that important to me that im willing to go that far. Reporter etta, an nyu senior, is among the demonstrators that have been arrested and she says shell continue with the protests. My participants are proud of me. Thats all i need is their trust. George solis joins me now from columbia university. George, is there any talk of bringing the police back on campus there . Reporter jose, late last Night University officials making their stance clear, saying they have no plans to bring back police, saying it would not only be counterproductive but would also draw far too much attention. Jose . George solis, thank you. Another vacation in paradise has turned into a nightmare. A Third American is now detained arrested for allegedly carrying bullets into the country. Each could now spend more than a decade in prison. Priya sridhar reports. Reporter tonight a Third American tourist has been arrested in three months in turks and caicos of allegedly bringing ammunition onto the islands. A crime that carries a minimum 12year sentence. It was an accident. He does have a conceal to carry license. The particular bag he took on the trip had all of his emergency equipment. Hes a paramedic. Tylers wife says authorities found two bullets in his suitcase at a Security Check point while he was on vacation there. He now sits in jail trying to raise bail money. If we cant get this changed and it ruins our lives, it ruins my sons life because hell grow up without a dad. Reporter brian and ryan were arrested within months of each other after they both say they accidentally left ammo in their luggage from previous hunting trips. After posting bail, theyre now sharing an airbnb as they wait for their court dates. The penalty for this crime has a minimum 12year sentence. Is that something that scares you guys. Oh my goodness, yes. When i first heard that, my heart sunk. I had no words. Its impossible to comprehend. Reporter according to the turks caicos government, eight american tourists have been arrested since firearm and ammunition laws were tightened in 2022. The state Department Warning american travelers. In a foreign country, u. S. Citizens are subject to the countrys laws. Reporter 65 of turks caicos economy is based on tourism. The majority of visitors from the u. S. For these three, what should have been a dream vacation now a living nightmare. Every matter and aspect of our life has just been completely flipped upside down. Priya sridhar, nbc news. When we come back, cicada geden. People are calling 911 its so bad. Where the bugs are heading next. Also, wait to see a doctor just hit an alltime high. 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You may have heard about the historic invasion of cicadas set for parts of this country coming this spring. The last time we saw an emergence like this aaron burr was a year away from dueling with alexander hamilton. Tonight kathy park reports from georgia where the invasion is already underway. Reporter its set to be the biggest invasion in hundreds of years. Not millions, not billions, but likely trillions of these pesky incredibly loud cicadas. And right here in Georgia The Invasion has begun. It is shocking to see this many. Reporter and theyre already coming out in South Carolina where theyre taking over sarah winebergs backyard. Did you think it was going to be this bad . No, no. I really wasnt prepared because ive never seen this before. This is my first invasion. They moved in and they have stayed. Reporter stayed mostly under her Gazebo Clinging onto every corner and crevice. They think this is a safe spot. Reporter its already getting so loud in Newbury County people are calling the sheriff to complain. We had a leap year, we had an eclipse, and now weve got cicadas everywhere. Reporter why so many this year . One set of cicadas comes out every 17 years, another every 13 years. This year theres an emergence of both broods. That hasnt happened since 1803. Theyre coming out from alabama to missouri. And where they may overlap the most, illinois. Theyre talking, you know, epic numbers, biblical kind of numbers in that area. Reporter something historic potentially brewing in the midwest. Its definitely historic for sure. Reporter augusta, georgia agriculture agent vaughn says cicadas are harmless but very loud. The males are making a noise and its a littlebitty buzz its a. You can hear that. Reporter when you have the Sound Level Meter here, pause and just see how loud they really are. Probably getting 60 decibels right here. Reporter but at their peak that could skyrocket to 100 decibels, about the same as a lawnmower. Enjoy the noise. Its really a neat thing, so dont get too creeped out by them. Reporter kathy park, nbc news not a pleasant feeling augusta, georgia augusta, georgia. Still. Still ahead, why does it take so long to get a doctors appointment these days . The extreme things patients are doing to get seen sooner. And the surprise of a lifetime that has this Medical School grad jumping for joy. Th Medical School grad jumping for joy. My thing, darling . Shine. Gardening. Some of us go for the dramatic. How didnt i know wayfair had vanities in tile . [ gasps ] this. Wow do you have any ottomans without legs. Sure. Youll flip for the poof cart. In the wayborhood, theres a place for all of us. Wayfair. Every style. Every home. psst psst ahhh with flonase, allergies dont have to be scary. Spraying Flonase Daily gives you long lasting nondrowsy relief. Flonase all good. 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