from gaza city's largest hospital. a projectile falling on the compound where civilians were sheltering. did a palestinian militant group misfire yet another rocket? this as israeli tanks spotted outside a children's hospital. it all comes after israel agreed to daily humanitarian pauses. and what about the hostages? our new reporting. what's holding up those talks. also breaking tonight, the fbi seizing cellphones and an ipad belonging to new york city mayor eric adams. what we're learning about the growing investigation including how the fbi demanded those devices. this just in. former senator marketa mcsally assaulted while jogging. and marjorie taylor greene receiving a death threat. the suspects in both cases under arrest tonight. the headline rocking college football. the head coach of powerhouse wolverines side lined for games for the rest of the regular season, a staffer accused of cheating to win. and taylor swift making grammy history as women dominate the nominations in a takeover year across entertainment for female artists. >> announcer: this is nbc "nightly news" with lester holt. and good evening. i'm tom llamas in for lester tonight. we begin with the rapidly deteriorating situation in gaza city and the growing concerns for civilians with hospitals in the hamas-controlled territory now surrounded by fighting. the images, take a look. a massive fireball exploding near one major hospital, and about 6 miles away the horror as a projectile is seen falling on the compound of another hospital, gaza city's largest. israel saying it was yet another misfire from a terrorist organization. and it all comes after israel agreed to daily 4-hour humanitarian pauses to allow civilians to flee with secretary of state antony blinken saying today, quote, far too many palestinians have been killed. and as negotiators work to free those nearly 240 hostages being held by hamas. our keir simmons is in tel aviv tonight, and he leads off our coverage. >> reporter: this was the sky over gaza tonight in israel's war with hamas. and overnight near the indonesian hospital in gaza city, a fireball. hours after the white house says israel agreed to humanitarian pauses in the fighting but no cease-fire. close by above al-shifa hospital, a projectile, then screams. later, a second explosion at the outpatient clinic. my mother, my father, my brother, she cries. tonight israel says radar evidence shows one strike on the al-shifa hospital was from a misfired rocket from a palestinian terrorist organization. israel says hamas has operated a command center under al-shifa hospital using civilians as human shields. >> hamas has turned hospitals into fortified positions. this is the challenge that we are facing. this is precisely why we are encouraging people to go south. >> reporter: we spoke to this doctor at al-shifa hospital tonight. have you seen any hamas fighters, islamic jihad, any group like that there? no? >> listen, the people won't allow them here. >> reporter: the u.s. today with blunt criticism of the civilian death toll. >> far too many palestinians have been killed, and we want to do everything possible to prevent harm. >> reporter: israel today pointing to these two humanitarian corridors its created and the continuing exodus of thousands of palestinians. our camera crew in gaza meeting a man whose family of 15 say they didn't want to leave their home but felt forced to. >> it was basically torture. we went -- tanks were left and right. they were shooting everywhere near us, around us. >> reporter: inside gaza, hamas still hasn't released more hostages. israel says any cease-fire now after the murder of 1,200 israelis would be a surrender to hamas. >> there won't be a cease-fire without the release of the israeli hostages. >> all right, keir, let's pick up right there. you have new reporting on the negotiations to free these hostages including americans? >> reporter: tom, an official with knowledge of the talks tells me they stalled in the past over how many hostages would be released, and that is still a sticking point tonight, tom, despite progress. tom? >> let's hope some get out. all right, keir, we thank you for that. and the war abroad is fueling tensions here at both. both anti-semitic and islamaphobic incidents are on the rise. college campuses continue to be a flash point along with posters showing kidnapped israelis being ripped apart. we get more now from anne thompson. >> reporter: college campuses, lampposts, and city blocks in this country, these are the new flash points of the israel-hamas war. escalating tensions over the past month at new york's columbia university led to today's suspension of two student groups, both pro-palestinian accused of violating school policy with threatening rhetoric and intimidation. at ohio state the university's president says there were two incidents that targeted the jewish community in the last 24 hours. two students were assaulted, the jewish center vandalized. meanwhile, across the country, people are tearing down pictures of the 239 hostages held by hamas. >> i feel personally attacked. >> why are you taking those off? >> reporter: many incidents going viral including this one by a florida dentist. here's his explanation. >> it's to promote peace. it's to, you know, de-escalate the situation. >> reporter: for many jewish people this is anything but deescalation. this is what happened to a sign covered with posters at the university of minnesota. >> sadly, there is so much anger. >> reporter: the israeli artists who created and hung the first posters in new york city are shaken by the reaction. >> i lost a little bit of hope regarding humanity. >> reporter: they, who prefers to keep his face hidden says the goal is awareness not politics. what do you want people to see when they look at these posters? >> we want them to see they're really humans. they are real human beings, you know? >> reporter: even los angeles' museum of tolerance is not immune. police had to break up this brawl outside a screening of hamas' attack on october 7th. israeli actress gal gadot helped promote it. the anger, fear, and suffering of this conflict without borders. anne thompson, nbc news, new york. now to that breaking news here in new york city. the fbi seizing electronic devices belonging to mayor eric adams as part of a corruption investigation, taking them from him right on a city street. jonathan deans has the late details. >> reporter: in what appears to be a growing federal corruption investigation, the fbi has seized the electronic devices of new york city's democratic mayor eric adams. the fbi approaching adams monday. two sources familiar with the matter say the mayor turned over two cellphones and an ipad and later turned over additional electronic devices. the mayor's attorneys saying tonight he's not been accused of wrongdoing and continues to cooperate with the investigation. adams tonight saying, i have nothing to hide. questions appear to center around adams' chief campaign fund-raiser 25-year-old brianna suggs whose home was raided by agents several days ago. earlier this week adams voiced support for suggs who has not commented publicly. >> i sleep well at night. i am clear that we follow the rules. we follow the rules. >> reporter: investigators are in part looking into possible campaign donations tied to a construction firm and its ties to turkey. but a source familiar with the matter says late last week it was the mayor and his lawyers who turned over information about additional wrongdoing separate from the campaign finance investigation. one of the mayor's lawyers says in the spirit of transparency and cooperation this behavior was immediately and proactively reported to investigators. >> all right, jonathan, joins us live in studio. jonathan, what you're reporting here is a remarkable scene. those devices taken by the fbi from the mayor on a new york city street? >> yeah, tom, we're told that the mayor was coming out of speech near nyu. this as we're told the fbi first considered seizing the devices during the mayor's appearance sunday at the new york city marathon. again, the mayor denies any wrongdoing and no charges, tom, have been filed in this investigation. >> all right, jonathan, thanks for that break news. also tonight a rash of violent threats and assaults against lawmakers and election officials across the country. we're learning of new arrests and new details as the justice department cracks down. we get more now from gabe gutierrez. >> reporter: tonight, a georgia man is under arrest accused of threatening to kill congresswoman marjorie taylor greene. her office releasing the angry expletive filled phone call. >> you don't think you're going to get pay back! >> reporter: green saying threats to murder elected officials should never be tolerated. another member of congress from georgia, rich mccormick, also saying this week he closed his district office after receiving serious threats of violence. and just today a nebraska man was arrested after allegedly assaulting former arizona senator martha mcsally while she jogged in iowa. >> i am okay. a man came up behind me, and he engulfed me in a bear hug and he molested and fondled me until i fought him off. >> reporter: with the trial the man charged with assaulting nancy pelosi's husband under way in california and a man with a long gun arrested near the capitol grounds this week, these latest incidents are only heightening the already tense political climate. five secretaries of state have confirmed election offices have recently received threatening letters, some laced with fentanyl. >> i just want to really emphasize the seriousness of this. some people like to call fentanyl a drug, but it's actually poison. it'll kill you. >> reporter: the capitol police chief says the number of threats against lawmakers has jumped about 300% over the last seven years, and he's calling for more federal funding to keep up with the caseload. tom? >> all right, gabe, we thank you for that. we're also following breaking news in the sports world. the head coach of the university of michigan side lined from games the rest of the regular season. a staffer of his was accused of stealing signs from other teams. here's jesse kirsch. >> reporter: tonight the university of michigan's undefeated football team is without their head coach for the rest of the regular season's games. jim har baugh side lined as punishment for the school breaking the big ten conference's sportsmanship policy. >> michigan with questions and eyeballs surrounding the program. >> reporter: weeks of brewing scandal boiling over late today. the big ten announcing michigan violated its rules by conducting an impermissible in-person scouting operation over multiple years resulting in an unfair competitive advantage that compromised the integrity of competition. >> the big ten is accusing michigan of essentially cheating in a way that involves in-person scouting and stealing of signs. although that activity happens. >> reporter: harbaugh can still coach during the week, and he's currently with his 9 and 0 team traveling to penn state. the legendary head coach speaking out before today's announcement. >> cooperate with the investigation. >> reporter: while the conference side lined harbaugh, the ncaa has not concluded its own investigation, and michigan could face further discipline down the road. >> i think i'm just glad we're not banned from the playoffs like people were thinking. >> reporter: in a statement tonight the university of michigan called this punishment a rush to judgment while the school cooperates with an ncaa investigation. the school says it claimed to go to court to try to get harbaugh back on the side lines. >> all right, jesse, we thank you for that. in 60 seconds the stage is set for a high stakes showdown between president biden and the leader of china. and the american family finally able to escape gaza. how they survived 27 days of fear. stay with us. the ucard - one simple member card that opens doors where it matters for you. what if we need to see a doctor away from home? ucard gets you in with medicare advantage's largest national provider network. how 'bout using it at the pharmacy? yes - your ucard is all you need. huh - that's easy! can it help keep my smile looking good? yep! use your ucard at the dentist. say cheese! get access to what matters with the ucard only from unitedhealthcare. rsv is out there. for those 60 years and older protect against rsv with arexvy. arexvy is a vaccine used to prevent lower respiratory disease from rsv in people 60 years and older. arexvy does not protect everyone and is not for those with severe allergic reactions to its ingredients. those with weakened immune systems may have a lower response to the vaccine. the most common side effects are injection site pain, fatigue, muscle pain, headache, and joint pain. i chose arexvy. rsv? make it arexvy. . all right, we're now with a potential break through amid the rising tensions between the u.s. and china. president biden set to meet china's president xi. chief white house correspondent peter alexander jones us now in studio. peter, this is big deal. >> this is a big deal, tom. the white house confirming today president biden and president xi are going to meet next wednesday in the san francisco bay area. it's going to happen on the side lines of an asia pacific summit there. this visit is notable, their first face-to-face in a year with tensions growing after the u.s. shot down that chinese spy balloon. the relationship really at its lowest point in decades. president biden is likely to press xi on china's close ties with russia amid the war in ukraine, its aggressive posture toward taiwan, and about concerns regarding election interference ledding into the 2024 election. this meeting not expected to produce major announcements. a white house official telling us simply restoring communication between the two country's militaries, tom, would be viewed as significant progress. >> it would be. all right, peter, we thank you for that. great to see you here in new york. as pressure mounts on the biden administration to limit civilian casualties in the middle east, tonight an american family that just got out of gaza is sharing their story of being trapped for 27 days. here's antonia hilton. >> reporter: for abood, wafaa, and 1-year-old yousef this is their first time playing outside in over a month. just days ago they were one of the palestinian american families pleading to go through the rafah crossing and flee gaza. >> our biggest hope was that, "a" this is a nightmare that we wake up from prch. >> reporter: they were visiting family in northern gaza when they awoke october 7th to the unmistakable sounds of war. >> air strikes intensify at night. as soon as the sun sets i think that's when everybody knows that it's time to start praying for the night to pass through and be alive in the morning. >> reporter: how does that affect you as a parent when your number one hope in the world is to keep your child safe, wondering if you're going to be able to do that? >> to be honest when we were there it was one question i used to pray like every moment for god please not take one of us, three of us. >> yeah, it made us feel helpless i think. yousef could end up being like one of the many innocent children that have died, and that was heart breaking for us. >> reporter: wafaa and a cat would entertain yousef as abood waited in hours long lines for food and often dirty water. >> by the time crow get to the line the amount of humiliation you see standing in lines for something as basic as bread, it eats away at you. >> reporter: after being turned away repeatedly at the egyptian border on november 2nd finally they received permission to cross. but safety for their son meant leaving their parents and siblings in uncertainty. >> knowing that bad news could come at any moment makes it hard to start feeling normal, even if not physically we're very much still in it. >> reporter: making it almost impossible to find peace even back home in the u.s. antonia hilton, nbc news, medway, massachusetts. up next harry smith on how a psychedelic drug could be a break through treatment for vets. 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>> when i first got back i thought it was par for the course to have nightmares and be sleepless. >> reporter: ostrom describes 12 years of hypervigilance, every waking hour on edge. >> i was just constantly thinking about what i would need to do if something were to happen and how to be ready. and i was always armed. i always carried me gun with me. >> really? >> yeah. >> reporter: the v.a. described anti-depressants and opioids with zero results, he says. did you think about taking your own life? >> oh, yeah, plenty of times. >> we lose almost a veteran an hour to ptsd and suicide. >> reporter: but says researcher jennifer mitchell, help for treatment resistant vets may be close at hand. psychotherapy in conjunction with mdma, a psychedelic drug better known as ecstasy. >> so over 71% of the individuals that received mdma assisted therapy lost their diagnosis with ptsd by the end of the study. >> reporter: she says fda approval for there therapy could come as early as next year. the drug, says mitchell, opens the patients to self-compassion, to catharsis. >> they were able to finy revisit a deeply seated emotional memory in a way that allowed them to untangle and work through their trauma. >> reporter: it worked for scott ostrom. >> all those walls that i'd built-up over the years just dissolved. >> did mdma save your life? >> mdma gave me a new life, one that's more worth living and one that i feel more comfortable in my own skin. >> reporter: ostrom has quit drinking and stopped using other drugs. other veterans that you know when you tell them about this what do they say? >> how can i sign up? >> reporter: harry smith, nbc news, denver. we thank harry for that. next up taylor swift, olivia rodrigo, sza, the women dominating the grammys. we show you rates from other companies, even if they're lower than ours, so you can choose what's best for your family. comparing rates used to be a hard day's work, but not with autoquote explorer. -need me to help again? -no. so join us and taste why progressive is the name people trust. sorry, are we talking about apples now or insurance? 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