Former Prime Minister tony blair. Im wolf blitzer. Youre in the situation room but we begin with breaking news. The Prime Minister of malaysia breaking his silence on the disappearance of flight 370. Youre going to hear his comments made to cnn. But first, the latest developments. The navys underwater drone is now scanning 10 of the search area but the mission is ending up with no trace of the airliner as authorities try to figure out what to do next. Malaysias Prime Minister tells cnn the report will be released next week. Our analysts are standing by here in the situation room. Our correspondents are standing by around the world bringing you the kind of coverage only cnn can deliver. New details of a Terror Threat to americans in yemen. Lets begin with a cnn exclusive as Richard Quest sits down with the Prime Minister. Hes joining us live from kuala lumpur. Richard . Reporter good evening to you, wolf. Good morning at 5 00 in the morning on friday. The malaysian Prime Minister, we can go back to his statements. This for the first time is when he sat down for a fullscale Television Interview to discuss what had happened. Who had seen what on the night when the plane was burned back and flew back across malaysia. As we discussed with Prime Minister najib razak, whether or not he would say that the plane is now lost, it became clear that there are many facts which are only now coming out. Now, the military radar, the primary radar has some capability. It tracked an aircraft that did a turn back but they were not exactly sure whether it was mh307. What they were sure of is that it was not hostile. No planes were sent up on the night to investigate . No. Simply because it was deemed not to be hostile. Dont you find that troubling, that a civil aircraft can turn back, fly across the country and nobody thinks to go up and have a look . Because one of two things i understand the threat level and i understand either the planes in trouble and needs help or its nefarious and you really want to know what someone is going up there to do. So as Prime Minister, dont you find that troubling . You see, im coming back to my earlier statement. Is that they were not sure whether it was mh370. Even more reason to go up and have a look. They were not sure but it behalfed like a commercial airline. Moving to the inmarsat data is brought to your attention. Did you have any doubts when inmarsat said and your advisers said we believe now the plane flew for 7 hour os or so, 6 1 2 hours or so and this is where it went, did you you must have had quite a shocked reaction . To be honest, i found it hard to believe to begin with. Because how could a plane that was supposed to be heading towards beijing, they could decide that the plane ended halfway towards antarctica. Its a bizarre scenario which none of us could have contemplated. Therefore, when i met the team and mind you, these are the experts in aviation industry, they are the real experts, as you know. You know, they come from the United States, they come from the uk, they were there. I asked them, are you sure . I asked them again and again, are you sure . And their answer to me was, we are as sure as we can possibly be. Are you prepared now to say the plane and its passengers have been lost . On the balance of the evidence, it would be hard to imagine otherwise. But the significance is, until malaysia says that the plane has been lost, the compensation packages, the next stage of the proceed ugs under the Montreal Convention cant go ahead. So i ask you again, Prime Minister, are you prepared to say that the plane and its passengers are lost . At some point in time i would be. But not now . Right now i think i need to take into account the feelings of the next of kin and some of them have said publicly that they are not willing to accept it until they find hard evidence. Wolf, listening to the dignified answers of the Prime Minister who has clearly had to make some very hard decisions and been at the helm of this, its starting to become clear how malaysia has done towards the 26nation search thats taken place. And if the allegations of early bungling, if they still surround the Prime Minister has certainly made great efforts to turn the perception tonight. You know, richard, its interesting he didnt think that the plane was flying over Malaysian Air space. He thought it was a commercial airliner flying at a normal commercial way, didnt know if it was Malaysia Flight 370, didnt know what it was, but their experts thought it wasnt hostile. All of us remember, there were four commercial airliners on 9 11 and were commandeered and were very hostile and became weapons of mass destruction. There are plenty of buildings where you are in kuala lumpur. Reporter and that, wolf, is the key issue, the elephant in the living room. Whatever phrase you want to use. Forget incon s forget inconsistencies. That is probably the most single and embarrassing fact for malaysia and that is the fact that they are going to have to release in the preliminary report and in the final report and from what i heard tonight, thats what the Prime Minister is starting to get to grips with. Richard, stand by because we have a lot more to discuss. More of your interview coming up as well. I want to bring in our panel of experts, cnns safety analyst, david soucie along with ken chris christianen and peter goelz. Peter, what did you make of the explanation of why they didnt scramble jets, if you will, when the airliner was flying over Malaysian Air space and they didnt know what it was . You know, we have to frame that a little bit because remember this radar is primary radar. Its not like air Traffic Control where it sends the signal out and it gets a confirmation that its flight 307. All its intended to do is to be of a defensive nature. It wouldnt be uncommon for them to see commercial aircraft and they wouldnt be able to know whether the transponder was on or off. In his defense, i could see that a little bit. On the other hand, they knew that there was an aircraft that had gone off their primary and secondary radar. Why was that not communicated . I think because theres a separation between the military defense and the commercial airways. Ken, you were in the air force. How do you know if a plane seems to be hostile or not hostile . What would go through your mind . First of all, in our atc environment, the military would have an atc feed in it. So this situation where they dont know what airplane it is, if they see a primary target, we have a secretary feed in it. We would be trying to communicate with that plane immediately. If that didnt happen, jets would get scrambled and if it was in our air space to investigate and physically get eyes on the aircraft. You would think in this post 9 11 world, all countries would be a procedure like that. Right, peter . I think they do but the malaysians didnt follow it that night and thats been part of the problem from day one. Let me go back to Richard Quest in malaysia. Richard, as you correctly point out, thats a pretty surprising development. Another little bit of news there that youve got out of the Prime Minister today is that they are going to make available this report that they are giving to this United NationsAviation Agency next week. What do we expect is in that report . Well, i wouldnt get too excited because it is a fairly mundane document. Well, i say that. Where you have other facts. But where you dont have any facts and where verified detailed have not been forthcoming, then it will be important. Because its going to make clear, wolf, what happened at 1 22. Its going to be important what air Traffic Control did. It may tell us more details about the search, who told what to whom. It will be both factually and symbolically crucial because this is the Prime Minister saying, its no longer going to be done the way its been done so far. David soucie, what do you make of what the Prime Minister told Richard Quest, that hes not ready to say once and for all that the plane is lost because out of deference to the families. But given the fact that the government a few weeks ago said it was in the water, given that they said that everyone is dead, what do you make from this new statement from the Prime Minister . I think he doesnt want to contribute to the seesaw with the emotions of the families. I respect that. Thats a good decision on his part. Weve been saying all along, our job as investigators and lead investigators is to state the facts and not make the conclusions for them. Its difficult at best for him to conclude that the aircraft is lost because we dont know and thats going to be the next challenge with getting the settlements. The insurance is going to request a proof of lost which is different. Peter, i think what the Prime Minister said today is a different way of posing it compared to what they said a few weeks ago. I think the Prime Minister showed sensitivity and gravitas. Richard quest, stand by in kuala lumpur. Well have much more on your interview with the malaysian Prime Minister. Thats coming up in the situation room. Also, new anger from families from flight 370 relatives. Why cant they see a report that was already submitted to International Authorities . Why do they have to wait until next week. And a threat to westerners in the middle east. Is the terror group preparing to retaliate . Im mom at the playground and the dog park. The kids get trail mix, and you get a delicious milos kitchen chicken meatball. I wish you liked my cooking that much. Milos kitchen. Made in the usa with chicken or beef as the number one ingredient. The best treats come from the kitchen. But i didnt always watch out for myself. With so much noise about health care, i tuned it all out. With unitedhealthcare, i get information that matters. My individual health profile, not random statistics. They even reward me for addressing my health risks. So im doing fine. But shes still gonna give me a heart attack. Innovations that work for you. Thats health in numbers. Unitedhealthcare. Captain when im looking for a hotel with a wet pool, i go to hotels. Com. You can get up to 50 off with their private sales. That mans privates are no longer private. Breaking news now on the hunt for flight 370. The bluefin21 is wrapping up the sonar scan of the targeted search area. A dozen deep sea dives and no airliner. Is the mission coming to an end . Miguel marquez is joining us from perth, australia. What if the bluefin doesnt find anything . The search is almost over. How long before a wider search begins and is the bluefin immediately shipped out . Reporter bluefin will probably not be shipped out immediately. Its not clear that they will end the bluefin operation. There may be other areas that they want to get to. But when it comes to a wider search, if they can not find anything, its very likely that there will be a stoppage of weeks before they can get the gear in place, ship fitted and search a much wider area. Were talking about a search that has been searched is about 154square miles in the area where the pings were picked up. Its as big as 21,000 square miles, the area that hasnt been searched. Wolf . The air search is going to begin in the next couple of hours or so. Any idea how long the air search will go on . Reporter look, there has been discussion about this air search ending all week. And we are only surmising but we guess that it will probably end about the time that this initial several of the bluefin ends. It would make sense. Its been 40 days that this thing has gone missing. The storms have blown through here and its a heck of a lot of work for the crews and their planes. Wolf . Miguel marquez, thank you. Flight 370 relatives say they are being kept in the dark by malaysian authorities over a preliminary report on the investigation. The families are angry. They are frustrated. They are ready to take action. Brian todd is here. Hes got new information. Brian . Wolf, the families say this preliminary report to be released next week should have been shared with them already. Theyve gotten no explanation why it hasnt been and the families now say they are going to look for answers elsewhere. A new round of resentment over the malaysian governments handling of this investigation. The Prime Minister promises that the preliminary report on night 370s disappearance will be released next week but its been se sent to some authorities. For the families, its another bitter turn. They seem to be choosing to treat us as if we are the enemy as opposed to an Interested Party in helping to solve this mystery. Reporter sarah bajc says families will receive answers from a Company Shareholder meeting next week and even if they get in, the families may not get much information. Boeing can only talk to the ntsb. The protocol of the investigation prohibits anybody but the malaysians from doing anything that they want to the families and to the press. Reporter many wonder why the report was not immediately made public. The asiana accident report was only five sentences long. Its a factual, short report 30 days out from the country leading the investigation explaining when it happened, not why it happened. Reporter malaysian Officials Say they have nothing to hide and theres nothing embarrassing in the report. A former Ambassador Says the malaysians havent had practice with this. They havent had the occasion or the need to be put under this sort of International Scrutiny and as a result their lack of experience as zone because of the lack of transparency so far, whatev whatev whatev whatever Officials Say will be taken with much skepticism. Brian todd, thank you. Coming up, days after a massive raid on al qaeda militants, new information. One leader is warning that its more dangerous than ever. The former british Prime Minister tony blair is here in the situation room. Hes walking in. Well talk with him in a moment. Welcome. She loves a lot of the same things you do. Its what you love about her. 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But that would require wifi. Switch to comcast Business Internet and get two Wifi Networks included. Comcast business built for business. Breaking news on the Terror Threat in the middle east, including a plot against the United States embassy and possible retaliation for the drone attacks, the antiterror raids which killed dozens of suspected terrorists. Lets bring in our pentagon correspondent barbara starr. Youre learning new details about the al qaeda threat in yemen. Whats the latest information that youre picking up . Wolf, several sources in the u. S. Government are telling me that the threat streams have increased in recent weeks. Its one of the reasons, not the only one but one of the key reasons there was a decision to go ahead with these drone strikes and antiterrorism raids because of these threats from al qaeda in yemen. Cnn believes that al qaeda in yemen has a potential target list, if you will, that there is intelligence showing that the u. S. Embassy is on their target list. Always under a threat from al qaeda in yemen and also western targets, kidnapping of westerners as well as Yemeni Military and Government Installations all on al qaedas list. In fact, one source with access to the latest information tells us that in fact a plot against the u. S. Embassy was disrupted earlier this year. And all of this, wolf, adds up to why the u. S. Why the yemenis