About a possible second shooter. Also tonight, the growing unrest on campus. New arrests as police clash with propalestinian protesters at u. T. Austin. The massive walkout at ucla. And at columbia the school suspending protesters who refuse to clear out. The deadly Tornado Outbreak across the central u. S. At least five killed, including a fourmonthold infant. The first ef4 of the year hitting in oklahoma. And now the new severe threat. Al roker is here tracking it. The u. S. Turning up the pressure on hamas to accept israels new ceasefire offer. And the concerns among israeli officials. Could the International Criminal court issue an Arrest Warrant for Prime Minister netanyahu . Our nbc news exclusive. The Biden Administration announcing new automatic Emergency Brake Rules for new cars. How it could save pedestrian lives. Five years after the San Diego Zoo said goodbye to its giant pandas the exciting new announcement. And the amazon return with a Secret Stowaway and her more than 1,000mile journey back home. Announcer this is nbc nightly news with lester holt. Good evening and welcome, everyone. There is Breaking News tonight as we come on the air. Three members of a u. S. Marshals task force were shot and killed today near charlotte, north carolina. Five others were wounded including four Charlotte Police officers. Officials say they came under fire while trying to serve a warrant today. They were all part of a multiagency Law Enforcement task force. Other Task Force Members continued to Exchange Gunfire with multiple shooters, prompting local police to warn residents in the area to stay indoors as the confrontation played out. Tonight the police chief there saying today we lost some heroes. Details are still unfolding at this hour. Wcncs Michelle Boudin is there. [ gunfire ] reporter today in charlotte this video streamed on Facebook Live catching the terrifying moments as gunfire erupted. Officials confirm eight officers were struck. Three from the u. S. Marshals task force have died. Four Charlotte MecklenburgPolice Officers were shot. One remains in critical condition. Today we lost some heroes that are out simply trying to keep our community safe. I asked somebody who was on the street what happened and he said theyre shooting. Somebodys shooting. Reporter according to Charlotte Police, a local task force, quote, comprised of officers from multiple agencies was serving a warrant at a residence on galway drive when they were, quote, engaged by active gunfire from a subject. At least one shooting suspect was found deceased inside the house, and police say they are questioning two other occupants of that home. They knew what they were going into, and still held their own in an attempt to apprehend the suspect. They knew that they had officers that needed help, that needed to be extracted from that location. Yet they went in, some getting shot themselves as a result. Reporter the mayor of charlotte saying in a tweet she is, quote, deeply saddened. Local schools temporarily went into lockdown, and many surrounding streets from closed, causing Traffic Delays throughout the city. According to a federal official, this is the sixth marshal to be killed since 2011. You know, three people lost their lives today. And the most that i can ask of our community is that we honor and respect them. All right. Michelle bouden joining us now from the scene. Michelle, do we know why Task Force Members were serving that warrant in the first place . Reporter lester, the police chief did tell us that the task force went to that house with warrants for someone wanted on possession of a firearm by a felon. We know one suspect dead, two others at this point being questioned at the police station. They are considered persons of interest. A difficult day here in charlotte. Lester . Indeed. Michelle, thank you. At Americas College campuses new deadlines, defiance and arrests as protests against the israelhamas war expanded even more from coast to coast. Liz kreutz now with late developments. Reporter tonight at university of Texas Austin Police one by one detaining propalestinian protesters. Law enforcement tying up this demonstrator by their hands, dragging them out of their encampment while screaming. Youre choking me reporter the University Says protesters ignored repeated directives from administration and that a majority of the protesters are believed to be unaffiliated with the school. So far more than 1,000 people have been arrested since the demonstrations across College Campuses against the war in gaza began. At Ucla Hundreds of students and faculty walking out of class in support of the protests. These students say there are hundreds of them, they were not able to get into the encampment. So they are now attempting to storm one of the buildings here on campus. Reporter at Columbia UniversitySchool Officials telling demonstrators the administration wont agree to divest from israel and that they must leave the encampment by today or face suspension. We demand divestment. We will not be moved unless by force. Reporter nbcs Erin Mclaughlin is there. That 2 00 p. M. Deadline has arrived and this is the students response. Theyre marching around campus. Over that way is the encampment. You can see everyone there wearing neon vests. Those are the faculty members, and they say theyre here to protect the students. Reporter as graduation nears many universities making similar pleas to students as they continue to grapple over the debate between free speech versus hate speech. At usc the president warning that if protesters dont leave their encampment voluntarily the university will take action early this week. This morning some students protested outside the president s home. Meanwhile, back at ucla School Officials allowing their students encampment to grow as the protesters call for the university to cut ties with israel. I think were planning to keep the pressure up until the demands are met, until the uc divests. Reporter dov waxman is a professor of israel studies. He supports the students right to protest but not their demands. I happen to think its not likely to happen or be effective. And liz joining us now from ucla. Liz, what is the administration there saying . Reporter well, lester, School Officials say the university does not plan to divest from israel. Meanwhile, here on Campus Protesters continue to camp out here. And you might be able to hear it. Nearby counterprotesters have showing up. They are blaring Video Footage showing the atrocities committed by hamas on october 7th. Lester . Liz kreutz, thank you. Now to wave after wave of Severe Weather in the plains and beyond including more than 130 tornadoes that left at least five people dead and a path of sheer destruction. Jesse kirsch is in hardhit oklahoma tonight. Reporter Tonight A Trail Of Heartbreak runs through the american heartland. The whole town is just in shambles, and its hard. Reporter Officials Say at least five people are dead after a violent Tornado Outbreak across multiple states. Sulphur, oklahoma he especially hard hit. The small citys downtown decimated. A woman killed. Sulphurs fire chief calls her a hometown girl. What should people remember about the person who died here in sulphur . Well, i just so happen to know her. Shes just a blessing to everybody. And were going to miss her. Reporter terry lee was in another neighborhood when he says he heard the sound of a train. We jumped in that closet. Here it comes, boom, boom, boom. It ripped the roof off. Reporter shay patrick says her cousin was trapped with her 2yearold son inside this home down the block. Eventually, they got to safety. My whole life is gone. And it happened just like that. Reporter roughly 60 miles away Officials Say a fourmonthold baby died. Authorities report four deaths total in oklahoma, another in iowa as dozens of twisters hit this weekend from nebraska to texas. I lost i mean, my stomach went down. And now i know how other people feel. And i feel bad for them too. Reporter in all, more than 130 tornadoes were reported from thursday to sunday. The images chilling. Now homes and businesses are in shambles as several communities find a new path forward. It was our dream. Hopefully well recover. Well see. Reporter its been almost 48 hours since the tornado struck here in sulphur, oklahoma. But you can still see an uprooted tree crashed into whats left of this building. A similar story block by block in this neighborhood. And theres the potential for more strong storms in this community on wednesday. Lester . That leads us to where we are right now. Some of those same areas, jesse, that have suffered so much about to get hit again. Al roker is tracking it. Al, how bad does this next wave look . Fortunately not as bad as this last one, lester. But still anything is going to be difficult for these folks. That one end where jesse is, thats the strongest one to hit in ten years. Then tomorrow a new frontal system will bring more storms. Texas to minnesota. Were looking at that risk from sioux falls to wichita. The biggest risk is going to be twoinch or more hail, damaging winds and tornadoes possible. Wednesday another severe Risk Outbreak from the South Central plains. Strongest storms in the afternoon from kansas all the way down into oklahoma. That same area again. And weve got a Flash Flood Risk for one to two inches of rain. Some places, lester, going to pick up another three to four inches before its all over. All right. Al, thank you for that. The u. S. Is leading an urgent push to Reach Agreement on a ceasefire and hostage deal with time running out before israel potentially launches a new offensive in gaza. Andrea mitchell is traveling with the Secretary Of State in saudi arabia. Reporter tonight, urgent calls by the u. S. And arab leaders to reach a hostage deal before israel launches a Ground Assault on rafah. Where palestinians say at least 25 people died in air strikes today. The u. S. Fears a major operation could widen the war and threaten the lives of surviving hostages. Hamas has before it a proposal that is extraordinarily, extraordinarily generous on the part of israel. And in this moment the only thing standing between the people of gaza and a ceasefire is hamas. Reporter a senior arab diplomat at todays talks said this could be the last chance. U. S. Officials say it is all up to one man, yehya sinwar, viewed as the mastermind of the October 7th Massacre and likely living in hamass vast network of tunnels. For the first time israel offering an extended ceasefire if hamas releases the most vulnerable hostages, the women, children, elderly and injured or sick. Israel says hamas says it has only 33 hostages in that category. Hostage negotiators see some hope in Proof Of Life videos released recently of three hostages including keith siegel, originally from north carolina. I just cant believe its still going on. Reporter nbcs raf sanchez spoke to his daughter and wife aviva, herself a hostage for 51 days. I couldnt even get myself even to be Strong Enough to see it. It just takes me to those moments with hamas that they threatened us and all i can see is keiths face. Reporter the siegels and other hostage families speaking out today, adding to growing pressure on Prime Minister netanyahu to make the hostages his top priority instead of defeating hamas. Netanyahu is also pressing the u. S. To push back against potential Arrest Warrants from the International Criminal court accusing him and his military leaders of war crimes for their conduct of the war. The u. S. Says the court does not have the Legal Authority to do that. Lester . All right. Andrea mitchell, thank you. We turn now to the vacations turned nightmares for american tourists accused of violating the law by bringing ammunition to Turks And Caicos. As sam brock reports, many of the accused say it was all an accident. Reporter On The Islands Of Turks And Caicos the number of americans detained for possession of ammunition continues to climb. Im not going to be able to talk to you in prison. I love you. Goodbye. Reporter jeriann wenrichs Husband Tyler has been behind bars for more than a week after authorities uncovered two rounds of ammunition in the paramedics luggage as he tried to leave the island. It was an accident. Like our airport didnt catch it and the cruise ship didnt catch it. Reporter tonight Turks And Caicos confirming theyre prosecuting four men for violating a recent law meant to crack down on gun violence that carries a 12year mandatory minimum sentence. That includes michael lee evans, a 72yearold retired texas teacher, and ryan watson, a father of two who was traveling with his wife. I never recall putting those that ammunition in that bag. But somehow it ended up in there. Tell me about the roller coaster. The thought of our kids not having either one of us for potentially 12 years was very scary. And heartwrenching. Reporter Valerie Watson has since been released, and the couple says they carried the bag on the plane but tsa missed the ammunition. Tsa telling nbc news its working on an algorithm to more effectively and efficiently detect such items but an oversight occurred that the agency is addressing internally. The other suspects appear to have checked their bags. Like Bryan Hagerich whose trial starts friday. Probably the most critical day for all of us. My fate is likely the fate of others as well. Reporter while that remains up in the air, the u. S. Government continues to warn travelers to check their bags. Sam brock, nbc news. In 60 seconds, buying versus renting. The shocking new finding about the cost of housing. And later, our exclusive. Could automatic Emergency Brake Rules save lives . Emergency brake rules save lives . The neplan just out. W missing out on the things you love because of asthma . Get back to better breathing with fasenra, an addon treatment for Eosinophilic Asthma that is taken once every 8 weeks. Fasenra is not for sudden Breathing Problems or other eosinophilic conditions. 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Cnbcs diana olick now with a new report just out about that, and it may surprise you. Reporter Claire Murray has been renting for almost a decade. The 30yearold Pharmaceutical Researcher says she can afford to buy a home but isnt sure its the right investment for her. I have seen the economy change. I have seen the house market really balloon up in a way that kind of scares me from buying a home right now. Reporter Home Ownership has become so expensive that renting a home is now cheaper than buying one in all 50 of the largest u. S. Cities, according to a new report from bankrate. Buying a home is pretty expensive due to high mortgage rates, high home prices, and theres also a lot of competition in the market because there is low inventory. Reporter the monthly Mortgage Payment for a median priced home, which is around 412,000, was 2,703 as of february of this year. That includes Property Taxes and insurance. Compare that to the National Monthly rent of 1,979, which includes renters insurance. Thats a 37 gap between the two. In some cities that gap is even wider including san francisco, seattle, salt l