Inside gaza americans are trapped, unable to get out. But the border may now open within hours. The ship now coming to israel to evacuate americans. Our interview with the u. S. Senators on the ground here, at one point rushed to a bomb shelter. The deadly explosion inside gaza. This caravan of civilians hit. Hamas says dozens were killed including children, but israel pushing back, saying it wasnt them. What we know right now. Desperate hours of hospitals inside the palestinian territory, 35,000 now sheltering in one hospital. Food, water, and medicine running dangerously low. While in israel, we are with doctors preparing for war. Our first look at the Weapons Hamas fighters used in their deadly attack. Did they come from iran . The new warning from the fbi director about Terror Threats in the u. S. We remember Suzanne Somers the star of 3s company and the Famous Pitch Woman has died. This is Nbc Nightly News with lester holt reporting tonight live from israel. Good evening from here in tel aviv where israel says they are preparing a coordinated attack on hamas by land, air, and sea. The clear reference to the anticipated Ground Offensive came as israel faced exchanges of rocket fire today in the north as well as the south of the country. A state Department Spokesperson says the number of americans killed in this conflict has risen to 30. 13 are unaccounted for. Amid it all, Tens Of Thousands of refugees are fleeing Northern Gaza any way they can and there is an all out effort by the u. S. Government to get Americans Out, too. This is the scene at the rafa border, the exit from Gaza Into Egypt, where some americans have been among those waiting for days to be let in. Secretary of state Antony Blinken crisscrossing the region again today, in egypt pushing to secure that passage. Weve also learned tonight that some americans will be leaving israel by sea, beginning tomorrow. Tom llamas is here in tel aviv and starts us off tonight. Reporter Tonight Israel In clashes North And South of its borders. Attacks from hezbollah in lebanon leading to retaliation strikes. While rockets launch in and out of gaza. The Israeli Military is amassing troops and equipment, along the border, for a Ground Invasion that everyone knows is coming, but few know when it will start. Inside gaza, a dire humanitarian crisis is growing. Water, food, fuel, and medical supplies are running out. Civilians are trying to get to safety in the south while the bombardment continues. As the u. S. Works to get Americans Out of Gaza Into Egypt through the southern border near rafa. It is still closed. But a palestinian official says it will open tomorrow morning and the state Department Says up to 600 americans remain in gaza. So far, negotiations between egypt, israel, and Aid Organizations over the border have gone nowhere as families wait in agony. This as Secretary Of State blinken continues his Shuttle Diplomacy with a visit to egypt today, working on all these issues. We come to Work Together as well to ensure that this cries is, this conflict doesnt spread to other places. Reporter to help ensure that a second u. S. Aircraft carrier, the eisenhower, will join the u. S. S. Gerald ford already in the eastern mediterranean. Inside israel, relentless threats from the air. We were rushed to a bomb shelter as Air Raid Sirens went off. We experienced what life is like even here in tel aviv. About 20 of us including all six senators had to be herded into a shelter, because there were missile attacks this afternoon. Thank god none of them hit. Reporter it also happened to the u. S. Delegation here. Senators forced to take cover. Senate majority leader Chuck Schumer and Senate Mitt Romney in tel aviv along with others to meet with israeli officials as well as families of americans taken hostage by Hamas Terrorists. When you got off that plane what was the first thing you wanted to tell israels leaders . I wanted to tell israels leaders, we have your back. Reporter do you think there is hope to Rescue American hostages . Oh, of course there is. Thats why they were grabbed. Hamas wants to see if they cant get something. Reporter hope is all this family has. They havent heard from their loved ones, keith and adrian segel since saturday when neighbors saw Hamas Terrorists march them from their home. You met with the United States senators. What did you tell them . We all told them that we want our families back in israel and now. Tomorrow is we havent got time. We need them to bring them back to their homes. Back to their children. Back to their grandchildren. Tom joining me here in tel aviv, lets circle back to this rafa border, this important border crossing. Reporter this indeed happens tomorrow, this could be a major moment in this war for two reasons. First, it is the only place palestinians can get out of gaza, namely Palestinian Americans tomorrow. And, two, it is the only place aid can come in. But here is the thing, lester. It could be complete chaos if a crush of palestinians rush to the border to escape and survive. All right. Tom llamas, thank you. For palestinians getting out of gaza is nearly impossible. They simply have nowhere to go. Nbcs chief Foreign CorrespondentRichard Engel reports from the israel gaza border. Reporter palestinians know time is running out to escape Northern Gaza. And that once israeli troops invade to fight hamas here, these streets will become death traps. So theyre heading south, amid rumors there could be a safe zone there. But not everyone can pack up and go. This orphanage may house the most Vulnerable People in all of Northern Gaza now. Its home for 22 children. 12 of them have special needs. Their lives were difficult before. Now they are in the firing line. This boy is 9 years old. He is blind and has profound disabilities. Maria is 7 years old and can only scoot. As the staff here leave for safety, these children are only being cared for by two people. These children cant get out of the way of the coming ground war. 11yearold muhammed is building a house with blocks, while outside air strikes are destroying houses. Palestinians have been reluctant to leave Northern Gaza, because theyre afraid theyll get bombed on the roads. After 70 palestinians were killed friday when medical Officials Say an israeli air strike hit a convoy of civilians. The Israeli Military today said it didnt carry out the strike and accused hamas of planting a bomb in the road to frighten civilians in Northern Gaza to stay so they could be human shields. The attack was not conducted by idf. It appears hamas once again has sacrificed the people of gaza for its diabolical aims. Reporter the Israeli Military released an image of what it says is a hamas road block. Many in gaza do not support hamas, but people appear to be rallying around the group as israeli air strikes kill the militants and civilians around them. Today palestinian medical workers gathered 100 bodies. Written on the bags is the word unknown. Unidentified victims about to be buried in mass graves. The horrors of war in the middle east with its terrorism and Human Tragedies have come roaring back and may soon get far worse. Richard is joining me now. It seems like were seeing more palestinians moving south. Has the pace, in fact, picked up . Reporter it did pick up today. And there are roughly 1. 1 million palestinians in Northern Gaza. The Israeli Military is watching this very closely from the sky and said today about 600,000 have moved south, so about half are still left. All right. Rich add engel, thank you. To our first look at the stunning Fire Power Hamas used to attack israel last week. The weapons recovered offer a sobering look at what hamas could bring to bear to fight off an incursion. Reporter Tonight A First Look at the deadly arsenal Hamas Terrorists used to storm into israel and a sign of the firefight that lies ahead. Hamas fighters burst through the border fence, equipped not just to kill civilians, but also to fight off israeli tanks and helicopters. Here, a terrorist fires a rocket propelled grenade. We saw dozens of the same weapon today at an Israeli Military base, where arms recovered from hamas fighters are being analyzed. Rockets, mines, shoulderfired antiaircraft missiles, and a magnetic bomb that sticks to the side of a tank. They brought around 2,000 terrorists in here with hundreds of vehicles. Reporter this israeli major spoke with us on the condition we not use his name. Does any of this indicate the direct involvement of iran . Not yet. Most of the munitions you see here is a local production of hamas. Reporter despite israels strict blockade this hamas video shows it still makes weapons inside gaza at factories like this. This is a thermalbaric bomb which creates heat instantly up to 3,000 degrees celsius. The Israeli Military says Hamas Terrorists use this to incinerate entire families. For all of their weapons, hamas is still badly out gunned. It has no answer to israels overwhelming air power. On the ground in gaza, theyll have a home field advantage, an elaborate network of tunnels designed to allow them to pop out and ambush israeli troops. A looming battle that promises to be brutal. Weve heard a lot about these Tunnels Hamas has dug. Does israel have a way to deal with them . Reporter lester, israel has specialized sensors to detect them underground and uses socalled Bunker Buster Bombs to try to take them out from the air. But some of the tunnels are nearly a hundred feet deep and very difficult to destroy. Lester . Raf sanchez tonight, thank you. With the war in its second week hospitals and staff in israel and gaza find themselves overwhelmed as they fulfill their mission to heal while at the same time transcending the circumstances. This surgeon at gazas largest medical facility has been updating the world since israels response to hamass deadly Terror Attack began. Using social media to show the bombs exploding nearby and the Hallways Overflowing with refugees. I have seen a lot of this enormous amount of injuries, no, i havent ever experienced Something Like that before. Reporter neither has this orthopedic surgeon. You have evacuated rooms on this side . So we evacuated the rooms on this side. Who barely 7 miles away at a hospital on the israeli side shows me now empty Hospital Floors after two hamas rocket strikes. Although it is a very strong building, the windows would not stand the rocket. The once busy pediatric department, cribs, beds empty now with all the children moved down stairs because the risk of being hit by another missile is simply too high. There is no empty space where this doctor works. Every inch of the hospital, she says, is now a trauma center. The wounded laid out on the floor. Children bearing the brunt of an escalating war. As the casualties of a relentless Bombing Campaign keep pouring in it all makes for a surreal split screen. Doctors on both sides, lives in their hands, but the future not. We were instructed to evacuate the hospital, to evacuate all of our patients, because we had to be prepared for another wave of victims. Most of the Hospital Patients are now in floors underground for safety. The missiles come from this direction . Yeah, yeah. You can see the same, the missiles come from this direction. Now we have to run because missiles can hit these windows as has happened in the other departments. Reporter the scene at this hospital in israel, a far cry from the one in gaza. Two hospitals, one war bound by the same duty. We are looking at gaza in that direction. Gaza. There are doctors just like you who are trying to save patients just like yours. How do you feel about your colleagues . I am you know, we are physicians. We want to save lives. We want to make everyone b some incredible dedication. Coming up, the fbis new warning about Terror Threats in the u. S. As the israeli hamas war creates ripple effects around the world. And we rememrbe when you shop wayfair, you get big deals for your home every day. So big, well have you saying. Am i a big deal . Yeah you are, because its a big deal, when you get a big deal. Wayfair deals so big that you might get a big head. Because with savings so real. You can get your dream sofa for half the price. Wayfair. Its always a big deal. Wayfair, youve got just what i need my moms alzheimers never changed how much we love her. 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The head of the fbi has a new warning tonight about an increase in threats across the u. S. It comes as the divisions at the heart of the war here are also escalating global tensions. And as jesse kirsch reports there is also an ugly new wave of antisemitism. Reporter tonight american authorities are on alert. There is no question were seeing an increase in reported threats and weve got to be on the lookout especially for lone actors. Reporter the fbi warning as people continue to demonstrate in solidarity with israelis and palestinians worldwide. Groups demonstrating on both sides in austin, texas. Nbcs Priscilla Thompson was there. Reporter hundreds gathered at the Texas State Capitol today rallying in support of israel. Right afterward an even larger crowd gathered for a pro palestinian rally. Just two of many happening across the country. Reporter over the past week weve heard calls for peace but also heard chants like this. Outside australias Famed Sidney Opera House in a pro palestinian crowd some called for genocidal tactics the nazis used as they murdered 6 million jews. In california someone waved a Nazi Swastika flag. Hamas terrorism marked the deadliest attack on jews since the holocaust. In the week since the Antidefamation League says preliminarily reports of antisemitic incidents in the u. S. Spiked almost 300 year over year. We know jewish individuals and institutions regularly are targeted and victimized by people who collectively blame the jews. Reporter among the concerns, some demonstrators denouncing zionism defined by the adl as the movement for the selfdetermination and statehood for the jewish people in their ancestral homeland. Antizionism is actually a prelude to genocide and is conditioning people to see jews as objects, to see jews as sub human. We are in support of our jewish brothers and sisters but we cannot accept a state like the state of israel that imposes a religious and ethnic apartheid. Reporter a debate and war that tonight have no end in sight. Jesse kirsch, nbc news. Making a turn to the days other news, just ahead the life the days other news, just ahead the life and legacy of suzanne dude . Dog food in the fridge . Its not dog food. Its freshpet. Real meat. Real veggies. Real weird. He was bad luck anyway. Dupixent helps you du more with less asthma. And can help you breathe better in as little as 2 weeks. Dupixent is an addon treatment for specific types of moderatetosevere asthma thats not for sudden breathing problems. Dupixent can cause allergic reactions that can be severe. Get help right away if you have rash, chest pain, worsening shortness of breath, tingling or numbness in your limbs. Tell your doctor about new or worsening joint aches and pain, or a parasitic infection. 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I saw a goddess. I love you her big break came as the lovable and Klutzy Krissy Snow helping make Threes Company a television megahit. But somers left midway through the run, fired, she said, for demanding to be paid as much as popular male tv stars. The men were making 10 to 15 times more than me on much lesser series. Reporter in the 90s she went on to ttif fame playing carol lambert, americas mom next door on the comedy sitcom step by step. Give us all a chance to be together as a family and talk. Whatever. Yeah, right. Right. Reporter all while making the thigh master a household product, selling millions. We may not have been born with great legs but now we can look like we were. Reporter through the years somers always embraced a live life to the fullest mentality. Its not the problems in your life that define you. Its how you respond to the problems in your life that define who you are as a person. Reporter dana griffin, nbc news. When we return from here in israel, when we return from here in israel, the emotional some people just know thats not gonna fit. Those are the people who know to choose allstate. Thats not gonna fit. Whats that . You need another four inches . Do you work here . Nope, i just saw you there and i thought id save you the trouble. Nana shes a human measuring tape. And she knows allstate is the right fit for her. Its not gonna fit. Thats not gonna fit. What . Steven . Some people just know. Well played. Well played, my friend. Those are the people who know youre in good hands with allstate. Feeling sluggish or weighed down . Could be a sign youre not getting enough daily fiber. Metamucil capsules can help. Psyllium fiber gels to trap and remove the waste that weighs you down. Promoting digestive health, for a better you. Metamucil capsules an easy way to get more daily fiber. Rsv can severely affect the lungs and lower airways. But im protected with arexvy. Arexvy is a vaccine used to prevent lower Respiratory Disease from rsv in people 60 years and older. Rsv can be serious for those over 60, including those with asthma, diabetes, copd, and certain other conditions. But im protected. Arexvy is proven to be over 82 effective in preventing lower Respiratory Disease from rsv and over 94 effective in those with these health conditions. 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. Finally tonight from here in tel aviv, americans answering the Call To Action by rushing to israel to help with Relief Efforts and to help fight hamas. Here is marissa parra. Reporter outside an Israeli Airline ticket counter at Miami International airport, pockets of emotion on full display for a 12hour flight to israel. Everyone here packing a different story. Half of my relatives and friends went to the festival. Im going to their funerals. Reporter the hugs here last a little longer. Most dont know when theyll get another. Im numb, like a lot of people are right now. Reporter that is zack the father of an idf Reservist One of hundreds of thousands of reservists being called to duty, some Boarding Planes before the call even comes. He found out about the war at 7 00 and he was on the plane by 11 00. Reporter this home has been empty for over a week. She drove her son david to the airport with a one way ticket to israel i gave him a little box with a bug inside and it says love bug. This is something he gave me, so i took my little love bug and i gave it to david and when he hugged me goodbye he said, mom, i promise im going to bring the love but go back. Reporter at the airport people preparing themselves and more. Suitcases being packed and shipped from around the state. Everything from certified tourniquets that units have requested specifically to things like Magazine Pouches and i think the trucks are here so we have to run. Reporter supplies being rushed on to the plane just before departure. What does it say on these suitcases right here . What does ta mean . It means the jewish nation is not scared. Reporter this is a flight of promises hand delivered. This is not a time to be frightened. It is a time to be strong. Reporter marissa parra, nbc news, miami. Thats Nbc Nightly News for this sunday. Ill be here again tomorrow night. Please join our Special Report on israel and gaza at war, across the networks of nbc news tonight at 8 00 p. M. Eastern. 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