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welcome to our continuing coverage of israel at war. i'm anderson cooper in tel aviv tonight. information we have just received shows israeli tanks and personal near the border with gaza. the idf also announced they would increase airstrikes on the spokesman said the military is now focused on the next stage.

and then there is this. cnn's team on the ground here saw dozens of tanks and armored personnel carriers and even bulldozers on the border with gaza, the sort of equipment one would expect to see during a possible ground operation. this is just one of several areas where we've seen scenes like this. altogether, we've seen hundreds of tanks and armored vehicles. president biden was asked today whether he was encouraging israelis to delay a possible invasion. his only response was to say quote, i'm talking to the israelis.end quote. these comments come after shipment of aid carrying food, water and medical supplies was finally allowed to cross into southern gaza from egypt. no fuel was allowed. israel says hamas could've used fuel in its war. the head of the world health organization said the aid is not nearly enough and those hospitals are already at the breaking point. we're going to have more on all this plus the presidents phone

call today with the american hostages released by hamas, but first we want to get the latest from the ground. nick robertson is in israel for us tonight. >> reporter: there is an uptick in air strikes and artillery strikes on gaza this evening and we saw it in the afternoon, as well from the northern end of gaza and that certainly does fit was what the idf was saying, that they are going to have more strikes, and that is to protect troops on the ground, but it gives no indication of when an incursion might come. we spent the day going along the eastern border of gaza trying to compare and contrast what was seen along that border over the past number of days or so. that sort of amount of energy and the level of troops rushing to the border in the groupings of tanks we have seen earlier in the week where they were repairing the tracks on the

side of the road, you got the sense of a surge of momentum toward that border with gaza. we are not seeing that, partly because some units may have moved forward closer to gaza and we can't get there because security is tighter in that militarized border zone region, so we don't have access, or perhaps some of them have gone back to base. there are still large areas where we are seeing armored personnel carriers and tanks lined up in fields are some of the military bases a little bit deeper inside of israel. they don't have trips with them yet. they don't look like they're ready to go into the fight but it does indicate the depth of reserves of military fighting equipment that israel may need if and when an incursion gets underway, but i think what i'm trying to say here, anderson, is that it is very hard to make an assessment about the readiness of israeli troops close to the border, but in terms of airstrikes, yes, we can hear them. there are flashes behind us this evening. you can hear the detonations

and explosions in northern gaza. >> you had heard a couple nights ago, machine-gun fire, automatic weapon fire. are you still hearing that? >> we are getting it occasionally, and i think it's indicative and instructive of the fact that just behind us, you know, in the very controlled military zone that runs up to the border, a mile or so behind us here, that there are a lot of troops in those positions there. i don't think that has changed. we certainly have not seen troops coming away from the border region from close to the fence with gaza, so they are there, and redo the from the idf that there have been points where they've seen somebody trying to set up to fire an antitank rocket at units that are close to the border, and they have engaged them in a firefight to neutralize that threat, so i think that situation persists, and it just

depends where those points of contact along the line happen. we haven't heard any today. that area over there for we were seen the tank fire a couple of nights ago, it's quiet, but again, we have seen a couple of israeli rockets fired into that area. it was hard to tell if they were coming from a helicopter or what they were coming from, but they literally flew very close over our heads, wish, a real zoom onto targets there so i think the idea that just across the fence, there is an active threat from hamas that is maybe trying to take the fight to the waiting troops, it seems that may be the case. >> nick robertson, appreciate it. joining us right now is a lieutenant colonel. thanks for being with us. in terms of where things stand now, who makes the decision of when to actually move forward

to, as the idf has called it, the next phase in this operation? >> good night. thank you for having me, and that is mostly a military decision, but there is always close coordination between the higher military and our or cabinet, and since any such decision would be a major decision, i can imagine they would coordinate at the highest levels. it's important to keep in mind that we have said that our senior commanders have been visiting, touring the troops, speaking with the forces, preparing and approving plans, et cetera, and the general spirit is one of combat readiness, and a very clear resolve and what needs to be done. >> the release of two american hostages last night, does that impact the timing, the decision-

making on the ground incursion? >> one would assume that hamas hope so, and they issued another dose of fakeness or misinformation today about some attempt, and that it was not approved by israel, which is just nonsense, so one could -- >> they said they were prepared to release two more hostages. >> yes, but that was discredited immediately by the prime minister's office, so i think that could be laid to rest. of course hamas understand they don't have to be wizards of intelligence to understand what's coming. they see the troops. they hear the statements and therefore, i think they are bracing for impact, and impact that will come, and the troops on the ground have clear assignments, clear visions. we have a mission and a

commitment to get all of our israelis back home, and we have an endgame to dismantle hamas and make sure that the gaza strip no longer harbor terrorists that threaten israeli civilians. >> i saw a slightly higher number of hostages believed to be held. can you give me what you believe is the current number? because it was 203 than two or released, but now i see a number that may be higher. >> correct. the updated number after the return of the two women is 210. the work is ongoing to identify and put the pieces of the puzzle together, and i think that is still a dynamic number and we will see that change, as well, and additional families in israel will be notified. i assume an assessment, it is a

work in progress. the work to identify the remains of israelis is very difficult. we are using the most advanced technology we have available and still, pathologists are really scrambling and at a loss because some of the corpses are in such a horrific state that it is virtually impossible to identify, so it is very challenging in the numbers are dynamic, but the commitment is clear to bring them back home. >> the international community of the red cross has asked for not only access to hostages, but proof of life. they have not been given that. how do you determine the number? from everything i understand, it is not only hamas. islamic jihad claimed early on that they had some 30 people they had taken hostage. there may be armed groups, sort of mafia groups or individuals

that have crossed over the border and taken hostages of their own. we've seen that in the past. >> yes, and this unprecedented situation for us, to have so many of our civilians and military at the hands of an enemy, it is very complex, and all of what you said is precise. what we are doing is focusing all of our intelligence assets in order to understand who is holding him, and where they are being held and try to put that puzzle or create some clarity in that puzzle. it is very complex and a challenge that i think our intelligence institutions and our terry have never faced, but it is a task that we must succeed in, and we will use all the tools available -- military intelligence, civilian, whatever technologies we can and of course, combat boots on the ground and of course, diplomacy. whatever works will work. in the end, the game here is to

get everybody home. >> i have just been told we're getting some word from the idf about an operation by hamas on the west bank. what you know about that? >> yes. if you recall, there was some significant fighting in jenin a few months ago, significant fighting for a few days and during that operation we discovered terrorist infrastructure, actually, a tunnel system inside a mosque. what we did today was to strike that tunnel system that was hidden under a mosque, because we had new and life intelligence that suggested there was an imminent attack coming from a joint hamas and islamic jihad squad that was preparing itself from that mosque. >> i appreciate your time, thank you. >> with me now is cnn military

analyst james spider marks. we were hearing from that military general from the idf talking about the political decision of when to roll in. we know that the israeli troops are stationed all over the zone right here with infantry, tanks, altered kinds of military equipment is you have been describing here. when that decision comes in, what position are these forces in now in terms of that decision? >> all of these forces are prepared to go on order. >> are basically, the minute they say yes, they are ready? >> most of these strips have been sleeping on or next to their vehicles for the last week. they have been doing this final preparations. they are prepared to go. this is a political decision. the military commander on the ground has to report back and say yes, i have x number of

troops, our target folders are complete. we know what we are doing. our rehearsals are complete. we are prepared to go and by the way, i recommend we go now. that military commander can say we are ready to go, but ultimately it is a political decision that's going to be made. >> but the forces are just waiting for the go. >> correct. and these are not the reservists. these are the active-duty folks. they are going to be doing some incredible heavy lifting, initially. >> one other thing we heard from conricas right there, an incredible amount of planning right here. >> there in this tunnel complex and constantly being moved. nobody really knows, and to underline this is very difficult because the idf missed

the -- they did not get the intelligence preparation of this assault back on the seventh, so you look at the intelligence that helps build this and you realize as colonel conricas indicated, this is something the idf is not done in this level of detail before. this is incredibly difficult work. they've gotten together nut numbers. they've talked to family members and know who is missing, so this is probably a good estimate. they've spoken to other embassies and this is probably a good number based on their individuals who have been held hostage, as well. where they are located is only going to be determined once you cross over into gaza. >> spider, thank you very much for all of this. up next, the parents of one of the u.s. hostages joins anderson on whether they are hearing anything from the u.s. after the release of the two women, plus the king of jordan says there is no military solution to this crisis. hear what he says will solve it, and new information on a briefing president biden just received. this is cnn special live coverage.

administration has been working hard to get the hostages out of gaza, and also to be able to get all of them out. officials have confirmed to cnn that they expect and believe that there are still americans held hostage by hamas. when asked how many, officials have characterized that only as a handful, and it is a complicated endeavor for multiple reasons because it is an active war zone and also because of the group they are dealing with, which is hamas .

there are subgroups. they sometimes hold people in different areas, so it is still unclear where the hostages are, exactly, and in what condition they're in, but it is still clearly a priority for this administration. just yesterday, president biden held a call with prime minister netanyahu and in that call, they also discussed the ongoing effort to get hostages released that are being held by comp -- hamas. >> what is the white house doing about palestinian americans at the southern border crossing with egypt, the rafah crossing, who have been waiting for really two weeks or more than two weeks, but they are still there. they're not being allowed to cross into egypt. do we know what the holdup is? >> this is a topic of discussion with u.s. officials and their counterparts overseas. it is something that is come up as well for secretary of state antony blinken, who was involved in this high-stakes shuttle diplomacy across the region over the last several days, and an internal government memo i reviewed earlier this week showed that the u.s. embassy in cairo is

tracking. there are more than 100 u.s. citizens they know of in gaza, and there are family members or associated family members who are trying to get out, but it is a complicated effort, and one that is complicated by the rafah crossing and whether they can cross, whether they are permitted to by egypt or by hamas, so it is still something the administration is working on, something that the president and a statement today went on to mention again, which is that his administration was working around the clock to try to get those palestinian americans out of gaza, but there is no clear end in sight on that front, anderson. >> all right, priscilla alvarez, thank you. joining me now is john poland and rachel goldberg whose son, hirsch, was taken hostage at the music festival the day that hamas attack. two hostages were released last night, both americans. i'm wondering, when you learned of that, what were your thoughts? >> first of all, i'm really

happy for them, those hostages, their loved ones. they got the outcome we are now hoping that the other 201-ish hostages get. they were both women. they were people who lived full time in the united states and were here to visit. i am not surprised that they are the first two. i just hope there are many more to follow, including our son, who is 15 days in, having his arm blown off and we hope, getting antibiotics and medical treatment. >> john and rachel, hirsch has a severe wound, as john was saying, part of his left arm was either shot or blown off. his hand is gone. do you feel there has been enough attention on those who are being held hostage who have severe life-threatening medical conditions? there are a number of people that we know about. >> well, clearly there is not

enough attention. first of all, there's no information. you know, we know about this, but a lot of people don't know what has happened to their loved ones, and i think that we have been rightfully worried about the babies and the children and the grandparents who are there, and also, there are many wounded people there, grievously wounded. >> there is a teenage girl believed to be kidnapped to is fed with a feeding tube and in a wheelchair. there are others with serious medical conditions. the red cross, which has called for all the hostages to be released, which hamas and other groups have the power to do -- for hostages with severe, life- threatening injuries to be at

least prioritized in some way, is there any indication that might -- that there is thought being given to that? >> let's not even talk about what would drive anybody to do this and yes, our son is there in his condition. i see the pictures you referred to of the young woman in a wheelchair who was taken. let's not even go to what kind of people do this. what i would say is, until there are people around the world, like you're talking about foreign ministers of every country, until there holding their hands altogether and shouting for help, for medical treatment, the no, not enough is being done. not enough attention is being paid to this. there are hostages from something like 30 countries. i keep saying, this is not it is real-palestinian issue. this is not an issue of conflict. this is people.

a global issue. people from 30 countries held hostage not getting the treatments they need and i'm not hearing nearly enough noise in the world to support what these people should be getting. >> rachel, is there anything else you want people to know? >> i just think that time is running out, not just for hirsch, but i think time is running out for the remaining 200 people who are still there. i think that it is such a vulnerable community of people for you have elderly people and you have children and you have babies, and many injured, wounded people. i just think we don't have time , like it has been two weeks. now is the time for the courageous people who are

putting in tireless efforts, you know, behind the scenes, however they are doing it, keep going. let's get these people out. >> john, anything else? >> you know, i continue to think about what hirsch is going through. we are here every day, and we are not sleeping and we are working tirelessly. he is someplace far worse than us right now, and my thoughts are with him and our messages continue to be to him, stay strong. know that not only are we doing everything we can for you, but the world is behind you and the world is behind the other hostages. were going to be making more noise, but the support we're getting from so many people,

from so many places in the world gives me some level of hope, and i just hope that hirsch has some sense of some small fraction of global goodwill, people who are pulling for him and pulling for the others. >> john poland, rachel goldberg, thank you. >> thank you. still ahead, a new cnn forensic analysis on the deadly gaza hospital blast, new clues to what did and did not cause the explosion.

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i'm anderson cooper live in tel aviv tonight. tonight, a new analysis confirms that the blast other hospital in gaza did not come from israel. >> our investigations team has conducted a really thorough analysis using dozens of videos taken from social media, but also, live broadcast and footage filmed by freelance journalists working for cnn inside the gaza strip. in addition to that there is satellite imagery, and they also spoke of the several explosives and other military experts who analyze these very

images. cnn's analysis effectively suggests that this blast at this hospital inside the gaza strip was caused by a rocket launched from gaza, a rocket that appears to have broken up midair, and at least part of that rocket fell down on that parking lot outside the hospital, causing the explosion that has killed hundreds of people over there. these weapons and explosive experts cnn spoke with, they all agreed that this is the most likely scenario. at the same time, a definitive conclusion on this simply cannot be reached without recovering physical evidence from the site, which is very difficult, given that limited access journalists have to the gaza strip and also the fact that the territory is controlled by hamas. i want to take you through two key moments here. one of this is from a life broadcast for you can see rockets that were being fired

around the same time as this blast occurred. one of those rockets appears to burnout in the sky before crashing into the area where the hospital is. the second piece of evidence is the crater, and this is a key piece of evidence that the israeli defense forces have also pointed to as they tried to make the initial claim that this was not them, that this was caused by rocket fire from palace >> -- palestinian islamic jihad. the crater was three by three feet wide, about one foot deep in all of the experts cnn spoke to agreed this is not consistent with the type of crater you would see from a bomb that would be dropped from an aircraft, and they also said that it is not consistent with any type of artillery fire on that type of position. all of this does not change the fact that palestinian officials

continue to insist that israel is responsible for the strike. israel, of course, denies that and has pointed to the same rocket scenario. what also does not change is the eruption of anger this hospital blast has caused in the arab world, in the middle east. we have watched these protests over the last couple of days at u.s. embassies, at israeli embassies in the region, and ultimately, this hospital blast has really become quite a touch point, anderson, and i don't think that is going to change, despite this latest analysis, anderson. >> israel had also put forward what they said were intercepts between two hamas operatives in which they discussed this as an islamic jihad rocket and u.s. intelligence and the national security council put out a statement saying their analysis also backed up israel's claim. war leaders representing 34 countries arrived in cairo for what is called a peace summit, calling for the protection of civilians in gaza. the king of jordan denounced the actions of israel calling it

punishment of helpless people. it was also called a war crime. when you get a statement like that from the king of jordan, the leaders of one of the countries that israel has a working relationship with in the region, and egypt, a very similar thing -- is israel getting anything close to what it wants, or could expect from those nations? >> i don't think israel necessarily expects public vows of support from arab allies but it may very well be a different story behind closed doors and i think king abdullah has genuine cause of concern here for his own nation. if this war spreads, jordan is on the front lines. they could be caught in the crossfire but you have to look at it from the israeli perspective. they have been attacked. this is the single worst attacked in the history of israel. what are they supposed to do?

what would happen in the future if enemies around the region got the message they could attack and commit these atrocities with impunity? this is a very tragic situation where hamas is dragon the people of israel and gaza and the entire region into this horrible war caused by their barbaric attack, but having been attacked, i don't think israel has any choice but to respond in military fashion. >> we've seen the reaction on the arab streets and among european capitals with some of these palestinian demonstrations. what changes, when and if, as seems inevitable, israeli ground troops going to gaza? >> i think what these leaders are worried about whether cc, who is the president of a country very impoverished, he doesn't like hamas yet both him and king abdullah are -- they don't -- they condemned the

attack but they are telling the israel is what kind of answer would be acceptable and what kind of answer would unleash hell across the middle east. they are also saying there is a political solution. they've been pleading with the community to stop the settlement and annexation and subjugation of palestinians for a long period of time. but they've also been pleading not to overwrite the status of the injured so they're looking at what is happening and they said, we told you this is going to happen. can you please put on the table something other than that only you can answer -- but something else that is not carpet bombing of civilians, basically using food. what they are worried about is the use of food and water as a weapon of war, starvation as a weapon of war.

does a ground invasion unleash hell, as you say? >> ground invasion will be a catastrophe. it is what tom freeman warns about it when it comes to 9/11, people were angry, emotional, were very scared, and they overreacted, but once you overreact, it will plunge the whole middle east in an unprecedented catastrophe, which means you might have people in lebanon answer back. you might have militia in syria, iranians and others answer back. you cannot predict the outcome. that is why these leaders ahead of time told israel don't do a ground invasion, because in a very small territory you have 2 million people and the casualties will be in huge numbers. >> and the thomas freeman argument, essentially part of his argument is that what hamas most wants is an israeli ground invasion. >> that may be the case although you are also seeing hamas do things like releasing a couple of hostages, perhaps

in a bid to avert a ground invasion that there is no question, there is a definite possibility of this invasion turning into a quagmire but i think from the israeli perspective, they don't have any other choice because basically ever since hamas took control, israel has tried to live with that. they have occasionally responded to hamas rocket attacks with israeli air attacks, a couple of ground incursions in 2008 and 2014, but they were never trying to overthrow hamas because they thought they could kind of live with hamas, deter hamas and that would be the least bad option but this is called the mowing the lawn strategy. essentially, they are trying to decrease the threat from hamas without trying to and hamas but i think that what happened on 10/7 showed that the strategy is not working. this is the worst attack israel has ever suffered. they literally cannot live with hamas in the strict control of the gaza strip and you cannot

destroy hamas from the air. they've tried it a number of times. it does not read out the terrorist organization so i think they have no choice but to go in on the ground, but it is a very dangerous scenario. >> and do what once they are there on the ground? >> i think they're going to go after hamas infrastructure, hamas fighters, hamas leadership trying to break their grip on the gaza strip. i think the big question is what happens next. who takes control of the gaza strip after the invasion? there is no good answer to that and i think israel should make concessions to the palestinian authority, they should bolster the palestinian authority and i think it has been a tragic mistake for israel not to do more for the peace process, for the two state solution, and the creeping annexation of the west bank is terrible, but let's keep this in perspective. hamas is not interested in a two state solution. they're not going to be mollified with israeli concessions. their goal is the eradication of the state of israel.

that's why israel has to fight hamas but at the same time, but at the same time, israel has to do a better job of working with moderate palestinians because what they have offered us a horrible deal for israelis and palestinians, as well. >> ultimately, israel in 2006 went to lebanon and the gain was to basically degrade and destroy hezbollah. they never succeeded. the americans had the same goal with taliban but taliban is back in power. it's easy to say i'm going to do this, and i am in no way defending what these people did. i'm saying the situation where we see settlements increasing, the professed goal by the israeli government themselves, we sought on television that it is not only hamas they're going after. they're going after civilians. they're telling us this in words and deeds.

the president of israel, soldier after soldier. 400 people, we are hearing we don't care about palestinian lives. [indiscernible] this is not anymore seen as a war on hamas. it is seen on whether we want americans to hear it or not they have to hear it now and intervene now. the pressure is right now because they're hearing this is an american war. they're giving 14 billion to the americans to basically bomb gaza to oblivion and they are doing nothing to even rain the settlers, even rain or even stop the settlement or help the palestinians in the west bank where hamas exists from being killed day after day and they are seeing the use of water and food as a weapon of war, starving the population of all of them as a collective punishment and this will radicalize a generation of not only palestinians, but arabs and muslims.

coming up, eight trucks finally did enter gaza today, 20 of them as health officials warned of the growing humanitarian disaster. plus, while the world has been watching israel, major development and russians war on ukraine, what ukrainians did that may have changed this battle. pers!

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there were 20 trucks that carried aid into gaza from egypt today across the rafah border crossing. palestinian officials in gaza say what they received was not nearly enough. more on the humanitarian crisis in gaza. >> now it's been two weeks with no aid, relentless bombardment, massive displacement. 20 trucks is obviously just a drop in the ocean but officials are saying they're hopeful that this is the start of something more sustained, or continuous. the u.n. believes in hopes that potentially tomorrow or on monday, that more of their trucks could go through today. those 20 trucks were egyptian red crescent trucks. they drove across the border crossing and unloaded that aid, food, water, medicine. palestinian tracks then loaded the aid and drove it through to

the gaza side. there is a meeting today of arab leaders here in cairo. it is called a conference of peace. the egyptian president spoke in the last hour or so, he said this is a welcome sign, but it is not enough. we need to build on this and establish a corridor, we need a cease-fire, as well and beyond that we need to work on establishing a peace process, a two state solution, so quite a long list of things that need to happen. right now, there seems to be consensus at least on that first step of trying to establish a more continuous or sustained humanitarian corridor . hospitals at this stage are barely functioning. the fuel supply, according to one u.n. person i was speaking to, will be depleted in two or three days, so that is a vital resource that is the really

needed and negotiation is ongoing to try to get at least 100 tracks in every single day and what would be the beginning of a continuous court or and hopefully, eventually also the establishment, as israelis had previously mentioned and also president biden and secretary of state antony blinken, of some kind of humanitarian zone for that some 900,000 displaced people inside of gaza to find some refuge and respite. we are still a long way from that. >> thank you. coming up, ukraine's war on russia getting a significant boost this week after the u.s. secretly delivers a new weapon to ukraine that may be used on the battlefield. next.

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with these, a kind of difference can you make? >> there are going to be limited numbers of these army tactical missile systems. that is what atacms stands for. the ones used the other day were cluster munitions. they have a range of about 150 miles. others will go faster but these are the ones ukrainians need on the battlefield right now. here's why. we've talked about cluster munitions that have around with about 80 hand grenade sized cans inside of them that spread out over a larger area. one of those muscles has over 600 of the same kind of cluster bomblets, so when you're talking about shooting it at an

airfield, which is what ukrainians did this week, it will cover a very large area, and it also speaks highly of ukraine's targeting methodology, and what i mean by that is they were allowed to target some things within those occupied territories with the assistance of special operators from ukrainian military that determine when helicopters were going to be at that base. there were estimated 14 helicopters destroyed by phase atacms bomblets at those two bases, and what is interesting about this is those helicopters that the russians use for close air support have been wreaking a little bit of havoc because they fire what are called atgms from a distance away. so as ukraine was going up against defenses they could be engaged from far beyond the visual capability, but also far

beyond their ability to fire back. if you destroy not only the russian helicopters, but also affect their air defense systems and their electronic warfare systems, which these atacms did, it gives the ukrainians a significant tactical advantage on the battlefield. >> and they can do it inside the territory they hold. in general, thank you so much for that terrific explanation. we are getting more breaking news from israel. idf breaking news says they will enter the gaza strip as cnn witnesses a huge military buildup in the border. plus, we are just getting word of an israeli strike on a mosque.