Reserve duty because of the number of reservists who are going to be called up. Now, a Ground Invasion, a Ground Incursion into gaza will be very difficult to do because this is one of the most densely populated places on the planet. The hamas network has multiple tunnels that go underneath most of the gaza strip. They often hold their weapons and senior officials in sensitive places like mosques and schools and hospitals. When theyre striking locations there, theyre not only going to have to be careful for civilians which unfortunately get caught up in the krcross fire. Theyre going to have to be incredibly aware of their own hostages. Hamas has distributed hostages across locations, essentially using them as Human Shields. And we know u. S. Officials believe americans are also part of the group of hostages. Thank you for that update. More from here next as our special coverage is continuing of israel now formally at war tonight. 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Hamas for its part continues to fire rockets into israel. The latest Barrage Firing on several locations, including ashkelon, where two managed to get through the iron dome. Hamas, also claiming to still be attacking targets within israel and says it took more hostages today, bringing the total it claims to more than 100. Israel has not said how many hostages they believe are being held at this point. Kaitlan, with the idf saying the mission is to completely disarm hamas with the Fighting Force being the first step, all eyes, certainly today would be on what the next move may be. And what that looks like, and, anderson, of course, if we wait to see what israels next step is, i want to bring in cnns sam kiley with a look at how all of this could play out, as israel is retaliating against hamas, what are they potentially face something do you believe that a full scale Ground Invasion of gaza is possible, and even likely here . Well, its certainly possible, and it is highly likely. The problem is it is so fraught with the obvious danger, danger to military personnel, danger to gazas civilians population, and then danger of ignition. And this is precisely what hamas wants to see, ignition of a wider conflict, perhaps seeing an uprising on the west bank, an uprising involving israels palestinian, ethnic palestinian population, and then potentially some kind of attack emanating from Southern Lebanon from hezbollah. Not all of those things are certain. But they are much, much more likely the more violence is unleashed by israel in pursuit of not only revenge, but of the rescue of, as you rightly point out, not just 100 or plus hostages that hamas claims to have, but the 30 plus that the Palestinian Islamic jihad has, both of the movements backed by iran, and then the critical issue is what will the iaranian do or what will israel do if they see the finger prints of teheran all over the planning for these ongoing atrocities, according to hamas, that are still being unleashed on the state there. Yeah, and on the potential for wider conflict here, i mean, that is a big primary concern from u. S. Officials tonight. They said that to lawmakers when they had an unclassified briefing earlier. You heard President Biden warning others not to take advantage of this situation. I mean, how far does a warning like that go, and what are the primary concerns here . Well, the primary concern for hezbollah will be first of all, the pressure it might come under from iran. Iran is essentially as peter bergen was saying on cnn earlier, its essentially a branch of the Iranian Foreign policy machinery, but at the same time, the hezbollah, which has hundreds of thousands of rockets that could be very very catastrophic for israel, knows that israels response would be absolutely devastating to the whole country, so lebanon is in no fit state to weather any kind of storm, let alone a massive storm of ordinance that the israelis would unleash. They have made that very clear. Thats the worst Case Scenario from both parties perspective. Theres a long way to go before getting to that position because of course youve got to get troops in there. I think probably and hadas was suggesting perhaps this was part of their planning, a large number of troops. The more troops you send in, perhaps the less amount of casualties you risk rironically because you swarm the place and flood it with israeli troops. Then of course youve got to get out, and you cannot kill the idea of resistance against what ha hamas calls the jewish entity. Sam kiley, thank you. Anderson . As we mentioned at the top, hamas is claiming it took more hostages today, and says its forces are still conducting operations in Southern Israel. We cant confirm whether more hostages were confirmed today. Israel has said the Idf Spokesperson told me they are not in full control of the territory along the border, one of the missing, was taken after rushing to the Music Festival to try to save his daughter maya. Earlier tonight, i spoke with marks son, and daughterinlaw, jessica. Let me just say im so sorry were talking under these circumstances. I just want to talk to you about what has happened over the last 39 or so hours. Gilad, your sister, maya, was at the dance where we know some, according to the israeli government, more than 260 people were slaughtered. She escaped, but your dad went looking for her. Can you explain what happened . Yeah, my sister she was like one of like many, like say 2,000, approximately, kids and like young adults that went to the festival in the south near by gaza. There was like a festival there. And she went with her friends to have fun, to party there. Enjoy. And we woke up saturday morning at 6 30 during the bombs, running to the shelter. He understands that shes missing. He tried to reach out. He called her. He tried to communicate. He called her on cell phone and he heard the screams, he heard the shots, he understands something bigger than what we thought. Usually we got we know now to deal with the rockets. We have shelters. We have specific orders and things that we know what to do in situations with rockets. When we started to figure out that hamas crossed the border through the air, through the ocean, through the boarder, the gate itself, my father understood that my little sister going to be kidnapped soon so he decided to take the car and drive south. So your dad, like a lot of, weve heard stories of a lot of dads who got into cars to go and try and find and help their children who were in hiding or at this festival. Your dad, mark, went to try to find your sister, maya, and help her. She had actually found she had escaped from the festival, hidden for several hours, and then got to a Police Station where she stayed, and she ended up being able to make her way home, but your dad now has gone missing. When was the last time you had contact with him . So basically what happened, my dad reached to the south around 8 30. He achieved to the area when its like danger zone. Its a battlefield there. He made it to gaza. And at 8 48, we lost contact. Like the communication with him. I was with my dad on the phone. I called him to see whats going on at the time. And i heard shots, and he tried to say, like, dont shoot, im israeli, dont shoot. And we lost the service. We lost the contact at 8 48. He was nearby Something Like two kilometers away from the festival. During this time on the second line im with my sister, and shes reporting me all the time that they are escaping for their life. Three friends are there. Between the Banana Fields and stuff like that, hiding in bushes, jumping around rocks, hiding in trash, and like trucks and stuff like that. Gilad, at the same time youre talking to your dad on the one hand, and hes, you know, telling you where he is, and then obviously theres some bad situation hes in. Youre also in communication with your sister whos still running and hiding . Yes. Yes. On the secondhand, im speaking with my sister that she is arriving in hiding at some point, at 8 48. I lost communication with my dad, and i understood that he might be kidnapped or dead in this moment, so i tried to leave it on the side, and focus on my sister to bring her back and help her through the phone. Try to guide her with the maps and whatever i can to bring her. And she got lucky. She found out like a Farmer Driving from the fields of the fruits and vegetables to central city, the sound of course of hakim. He rescued to a Police Station. They stay there for at least two hours, and they brought her back to the home. One of her friends dead reached the Police Station to take her home. And at this point how is she doing now . Thats how situation for her. We dont have any i dont think she need to be we tried to make her feel that nothing of this like its her fault, and we all around the mission of trying to track what happened to my father. We try to find people that maybe saw him in the shelter or something in the south. My mission now is to try to get to any screen in the south, everything is trying to reach out to him. Show him a picture of my dad. Maybe he saw him. Well obviously show a picture of your dad, mark. The last communication you had from him was, what, around that 8 48 time . Yeah, 8 48 in the morning yesterday. And since then, we didnt heard from him, and no one that saw him. But today we started we succeed to track his phone after its important to say, the police is really busy in the south, and all of the force thein the south, we decided to contact the company mark works for, and to see if they have any leaders on his phone. It didnt lead us to anything specific. It didnt lead us to a shelter that he might be in that we can check, and the phone still seems to be in the south, his car seems to be in the soiuth. Its all just Question Marks and were looking for answers. Is his phone still pinging or when was the last time you got some sort of location of his phone . We got two locations two his phone, one, two hours after the last contact we have with him. So we find him two miles south from the point he was. And im assuming he tried to walk most tor reach to my siste. He tried to walk to find her in the festival zone, but he figured out that none of the people that stay there at this point. And after that, we got another location. Three or four hours later, that he was on the second side of the zone. So his phone has been on the move. Youre not sure if hes with his phone or you havent actually heard from him. That was the last signal. That was around, like, what, 1 00 on saturday, 1 00 p. M. Or so . 1 00 p. M. On saturday. Thats the last track. This is obviously a very fluid situation. Theres still fighting going on on the ground at border areas. Have you been in contact with israeli authorities . Have they been helpful . Or are they overwhelmed at this moment . I would say that the first hours was very shocking for all of us, and it took some time, but by the first night, the authorities contacted us and we came to the center to give dna samples. That maybe will be combining with some of the dead bodies or injured people that they found, and maybe they can recognize people without their i. D. S or maybe they cannot recognize, you know, for some reasons, so we gave all the information we had, and we have full contact with the israeli authorities. What do you want people to know about your dad . My dad is a fighter. Im sure. Im trying to stay positive. He sure sounds like one. Hes a family guy. He just tried to go save his daughter. Life will go on. I hope with him. We miss him. There are millions of people around the world who are watching whose hearts go out to you and your family and to all of those who are suffering at this hour. Thank you for being with us. Well continue to follow this, and i hope you get word about your dad very soon. Thank you so much for having us. So many families waiting for word on their loved ones. Joining me is israels former ambassador to the united states. Appreciate you being with us tonight. I want to talk big picture in a moment, but just first, for families whose loved ones have been taken hostage, what has israel learned in the past through Hostage Situations about what may happen now with these hostages . Hi, anderson, good morning to you. Well, weve learned that hamas will hold on to these hostages. Some will be killed. Many will be tortured, but generally hamas wants to hold on to these hostages and use them as bargaining chips, to get terrorists out of israeli jails, also to use them as Human Shields, and i think they will be very effective as Human Shields. Theres tremendous pressure on the government from the public to mount a Ground Operation against gaza. Virtually every round of fighting we have with hamas and gaza, there is a type of growing pressure by the public that we dont go back to the status quo of just, you know, waiting on the border, waiting for more rockets to come over, and then theres a cease fire. No, the Israeli Publicments A Ch wants a change now, but it will be a major hitch on israeli decision making. How do you send an army into gaza when hamas are holding as many as 130 israeli hostages . Has something, i mean, have the capabilities of hamas and Islamic Jihad significantly changed . I think, is this a sign that there has been a change in their capabilities . Is it greater support from their backers in iran . What do you think it is that has enabled them to coordinate this kind of an attack from air, from sea, from land . Well, theres some evidence of improvement in their missile technology. And its the ability to evade the Iron Dome System, and the Iron Dome System is not a perfect system. Its only 90 effective but it can be overwhelmed and if youre Firing Thousands of rockets at the same time, no Antiballistic System can completely defend any skies, certainly not israels skies from that type of onslaught. Tactically theres been a great improvement by hamas, and you have to prescribe that improvement to iranian backing. 95 of the rockets that are fired from gaza are made in iran, and the remainder are made by iraniantrained palestinian engineers. Iran is very deeply involved in gaza. Islamic jihad is wholly owned and operated by iran, and hamas is deeply financed and supported by iran, so i think its very reasonable to assume that iran was intimately involved with this, perhaps the revolutionary guards have been involved in this. There are rumors floating around israel, and only rumors that some of the Palestinian T terrorists were hurt speaking farsi. At this point, israels Prime Minister has vowed mighty vengeance for hamass actions. What do you see taking place . I mean, what does that look like . Well, it would be a Ground Incursion. To actually remove hamas, remove its military capabilities, perhaps remove it entirely. Israel right now, and i cannot stress this enough, and you heard this now from this wonderful family of mark that israel now is in a state of shock. Its in a state of mourning. Were all in our bomb shelters. None of us are sleeping, though you have books behind me, this is my house bomb shelters. My kid are in bomb shelters, grand kids are in bomb shelters. Were in deep shock and mourning. There is a sense we must secure order to our borders, we must return these hostages, and we must not return to the status quo that existed before this, and there seems to be no alternative to changing that status quo, other than a large scale Ground Incursion. In previous rounds we have had seem deep incursions, havent gone all the way into gaza, back in 2014, they went several kilometers into gaza. This would be a brutal battle. Were talking about village housetohouse, alley to alley, but all of these houses and alleys are booby trapped and wired and mind. Hamas is prepared for that. As your reporter mentioned earlier, israel has to consider the possibility of a multifront war, thats a real possibility. Its hard to imagine that the head of hezbollah will watch passively while israel invades gaza. Hell trying to be involved. Its unconceivable to me that the west bank will remain passive if israel or other forces enter gaza. Im not sure whether radical forces will remain passive. We may have internal upheaval as well. And israeli Decision Makers have to determine, can we invade gaza and further jeopardize the lives of those hostages who are being used as Human Shields by hamas. They use their own people as Human Shields, theyre going to use the isra