and an adult male at forbes. one of then could be the security guard, another could be an 18-year-old. these kids ranged in ages from 14 to 17. perhaps one of them closer to 18. we're continuing to do this breaking news for you. i'm passing the baton over to my colleague wolf blitzer who starts right now. right now, officials are trying to find out why a student came to school this morning and started stabbing his classmates. he injured 20 people and now a community near pittsburgh is reeling from shock. also right now, still no sign of debris but two fresh pings and they're convincing searchers they're getting closer and closer to ways lehat's left of malaysia airline 370. ukraine says it will reach a resolution with separatist protesters within 48 hours. defense secretary chuck hagel is weighing in on the tension in an exclusive interview with cnn.

hello, i'm wolf blitzer reporting from washington. we're following developments at a high school in western pennsylvania near pittsburgh where one student is being blamed for a mass stabbing attack. 19 students and 1 school security guard injured. that suspect, a 16-year-old sophomore, is in custody. he was also injured. police say he was armed with two knives. they also say he was tackled by one of the school's principals and handcuffed by the school resource officer who's also a local police officer. joining us on the phone is mia, a student at franklin regional senior high school. mia, thanks very much. i know this must be awful for you, for everyone at the school. first of all, tell us what -- where you were and what you saw this morning. >> well, i always go in the morning before my school starts,

so i got to my locker, and i heard a big commotion like behind my back and turned around and i saw two kids on the ground, and i thought it was just a fight, like a fight at first. and then i saw blood and i saw the kid who was stabbing people get up and run away. and the freshman who was on the ground and got attacked, stood up and lifted up his shirt and you could see he was, hit with a knife and was gushing blood everywhere. three kids from our school ran over to his aid and they were like, all right, we need to go to the nurse and started screaming so they took him to the nurse. then it was a senior girl who i know, and she also was in, like, the cross fire of him stabbing people, and so she was standing by the cafeteria doors and i think i was the first to see her and she was gushing blood down her arm and so i, like, dropped my bookings i was holding and i ran over to her and i asked her if she was ek and if she needed help and i told her we could take her to the nurse and we'll get her help. and then everyone -- i started hearing like a stampede of

students coming from the other end of the hall saying, get out, we need to leave, go, there's a kid with a knife. a teacher came over to me and the girl i was trying to help and she said she would handle the girl and i should run out and i ran out of the school and tried to get out. >> was the 16-year-old suspect -- we're not mentioning his name -- was this 16-year-old suspect saying everything, saying anything, shouting everything as he was allegedly doing the stabbing? >> no, he was very quiet, and he just was kind of doing it, and he had this, like, look on his face that he was just crazy, and he was just running around, just stabbing whoever was in his way. >> did you -- once geshagain, it to caution everyone, we're not yet ready to identify the 16-year-old suspect. we're not releasing his name. but did you know this 16-year-old sophomore? >> i didn't know him very personally, but i did know him, because he was in a lot of my classes in the past year.

>> what was he like? >> he was more shy and he kept to himself a lot. he didn't have that many friends that i know of, but i also don't know of him getting bullied that much. i actually never heard of him getting bullied. but he just was kind of shy and didn't talk to many people. >> and so what's it like now? i mean, you eyewitnessed, you saw what was going on. how are you doing, first of all, mia? >> i think i'm doing okay. i'm getting along. i'm okay with everything that happened. i mean, yeah, it's very scary and it's scary that it happened at my school, because i never thought something like this would happen at our school. but i think i'm, like, dealing with it well and i'll be okay. >> is there any history at all of violence at your high school? >> i mean, there were a few bomb threats in the past, but there was never anything with kids bringing guns or anything to school. i mean, there was obviously some

fights, too, but that happens at a lot of schools so it's nothing very serious like this. >> i know at some schools there are metal detectors just to get in. anything like that at your school? >> no, we don't have metal detectors. because, like i said, nothing very serious has happened before so we don't think they had any reasoning to have, like, metal detectors. >> how are your friends reacting? how are they coping with this awful situation? >> a lot of them are really scared and we're all just happy that everyone -- like, all our friends are okay, and we're just happy that no one got hurt seriously or is dead or anything, but i think everyone's really scared and just doesn't feel that safe going to school anymore, just i think everyone's going to be very, like, a lot more cautious. >> obviously, and what some of those kids were injured pretty seriously, they're obviously, they're obviously in the hospital right now, but doesn't seem to be life threatening, at

least as far as the hospital's are telling us. one adult was injured in the stabbing rampage as well. have there been any drills in your school in weeks or months earlier as far as this kind of an incident or shooting incident? had you guys gone through any of these drills that we see happening in other schools across the country? >> no, we haven't had any drills for something like this. the most drills we've had was severe weather drills or a fire drill that we have pretty regularly, but nothing this serious. >> this is obviously a very, very dramatic situation for you, for all your friends, and so once again, you were there at your locker. this is just before -- around 7:00 a.m. when school is supposed to start and all of a sudden you saw some stabbings going on. i take it at one point somebody pulled the fire alarm and somebody just was told get out, get out, get out, is that what you saw and heard as well?

>> yeah, i think -- i was running out because people started panicking after they saw the first person stabbed. so i think people down by me started running out earlier, and then the fire alarm was pulled and then you saw a lot more kids running out and were panicked. because some people didn't see the stabbing and didn't know what necessarily was going on. >> mia, i'm glad you're okay. and i just -- please pass along our best wishes to all your friends at the school. and we will stay in touch with you. good luck to you. good luck to everyone there at your high school. what an awful, awful situation. mia was an eyewitness to some of the stabbings that went on early that morning at that high school not far, about 15 miles or so outside of pittsburgh. we're also getting more insight into how the horrible events unfolded at the franklin regional high school. listen to the police radio transmissions the moments after the rampage.

>> emergency, i got the whole shift coming your way. >> come in to the first hallway on the right, halfway down. we got multiple victims here. we need ambulances here as soon as possible. be advised, the suspect is in custody, only one suspect. >> you heard it, only one suspect. our justice reporter is here with me in washington. i know you've been checking with police. what are they saying about this suspect? >> you know, all of this went down in one section of the school. apparently he ran down the hall way, stabbing with two knives. some of the kids ended up in some of the classrooms and that's where they were found. we know the police, the fbi's on the scene. they're doing some interviews with some of the kids to see if there's anything they know of that has happened in the last few days that could possibly explain what set this suspect off, what set the 16-year-old off, and caused him to carry out this attack this morning. >> comes to school early with two knives and allegedly just

starts randomly stabbing, stabbing, 19 kids and one adult. do they have any clue at all about a possible motive? >> one of the things they're doing is interviewing -- there's 1,200 students at this school. they're going to interview as many of them as they can. people who know the kid. people who may have had any interactions with him. as mia just said on the air, he was known to be a fairly quiet kid, did not interact with a lot of the fellow students. so that's going to be something that they're going to look at. whether or not perhaps he was bullied. whether or not he had any fights recently. we know he was injured, but he is right now in the care of police and with the fbi and they're going to do some questioning to try to determine -- they're going to have to go to his house, look through anything in his computer to see if there's any threats he's made in recent days that could possibly explain this. >> i'm sure they'll be speaking to his parents and family, friends, relatives, others, to get a sense who this kid is. all right, evan, thanks very

much. this community clearly in shock right now. police say that 16-year-old student went on a stabbing spree before classes even got started today. we're going to check in with a lawmaker to see how the community is doing, and later, new signals detected in the search for the missing malaysia airlines plane. renewed optimism that the plane now will be found. (vo) you are a business pro. maestro of project management. baron of the build-out. you need a permit... to be this awesome. and you...rent from national. because only national lets you choose any car in the aisle... and go. and only national is ranked highest in car rental customer satisfaction by j.d. power. (aaron) purrrfect. (vo) meee-ow, business pro. meee-ow. go national. go like a pro. peoi go to angie's listt for all kinds of reasons. to gauge whether or not the projects will be done in a timely fashion and within budget. angie's list members can tell you

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a community in shock. a 16-year-old student accused of stabbing his classmates in custody. it's almost unthinkable. representative tim murphy a clinical psychologist who represents pennsylvania's 18th congressional district, right next door to this high school. congressman, i know you're in touch with local officials,

school officials, the mayor and others. what are you hearing? >> in terms of hearing what happened, pretty clear, the student came in with itch inkni began doing this and chaos ensued and a number of students were stabbed and badly injured. the police responded quickly. the mayor told me they have trained for such a thing. they'd had a training exercise a while ago on this so they were on the scene. by that point, the damage had occurred. what is also emerging is a lot of questions we'll find out over the next few days of what happened to this student. i really want to point out it's so important when people say what set him off. in a situation like this, usually there's a long fuse. and at some point, the part of the mental health part is we can intervene and help kids if we know there's things but there's finally some event that occurs and sometimes we don't even know what it is but when you come to school with two knives with intent to do this harm, it's not a normal response and it's one

we better start paying attention to a lot of these mental health aspects with kids. >> have you heard the student was also wearing body armor in addition to having two knives? >> no, i hadn't heard that. >> there's a lot of stuff circulating out there. as i say, we're not identifying this student yet. but have you heard anything at all about a possible motive, what may have motivated the young 16-year-old like this to go to school with two knives and start stabbing kids? >> things like this, what one would look for in a typical case as we study these things, is that many times this person is not someone who suddenly appeared out of nowhere. you'll find there's something simmering. a person who has crawled into the cracks. been more isolated. maybe a little more alone. a student who was teased order seen by classmates as awkward. they may in their own life at home begin to plan, how can i get back, how can i make a name for myself, how can i go down swinging? all those things we'll find out emerges from this.

it isn't a singular issue. same thing happened when people tried to explain ft. hood. oh, he had an altercation. in a situation like this, you don't come to school stabbing because you get teased but i bet you we'll find out more information in terms of difficulties he's had, diffic t difficulties he's had to adjustment. again, it points out we need legislation to change the way we approach -- >> what can we do -- sandy hook elementary school, that's with a gun obviously, this is with two knives. how do we deal with this? what lessons do we need to learn? you spent -- you're a clinical psychologist. you spent a lot of time on mental health related issues. i suspect there's some mental health issues here. how do but move forward? >> i spent year-long work on this, then i introduced this new act. many work needs to be done. we don't have any resources.

we need more. we need mechanisms to work and consult with pediatricians. we don't have enough training for police on how to work with these things. our bill provides more grants for them. we have more research we need to do in what's going on with the brain. we authorize the brain research models and authorize something called response after initial schizophrenic episode. i'm saying we know if we identify kids, get to them early, help them with medication and counseling, it can make a world of difference. >> as you say, there are warning signs. unfortunately, sometimes either family member, friend, educators, they missed those warning signs and something like this can happen. congressman, thanks very much. we'll stay in close touch with you. we're also hearing more from students who are inside the school when the attack started. listen to this. >> the fire alarm went off. i was walking over towards the exit. and there was blood all over the floor. thought maybe someone had a nose bleed or something. and someone yelled, she got

stabbed. >> i just thought it was a normal fire drill. i saw people running and screaming and crying. so i thought it was something that has to be wrong. then i saw people holding each other's hands. i saw other people getting cut. just blood everywhere. it was -- very traumatizing. >> i told my wife that one of the kids was her best friend that got stabbed, yes, and that even makes it even more difficult for what i have to say to her, you know, once i got her home. >> we'll have more coverage of these stabbings at high school in pennsylvania. that's coming up. also, other news we're following. pinning the hopes right now on those new pings that have been discovered. why investigators appear a lot more confident today than yesterday. the conversation about his car loan didn't start here.

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switch to comcast business internet. then add voice and tv for just $34.90 more per month. and you'll be ready for tomorrow today. comcast business. built for business. we want to get an update on the injuries from that stabbing attack at a pennsylvania high school this morning. joining us is dr. steven deso mo, chief medical officer at children's hospital in pittsbur pittsburgh, part of the university of pittsburgh medical center. doctor, thanks very much. i know this is an awful situation for you, everyone at your hospital, throughout the area. give us the latest on the number of children that have been brought to your hospital. >> so we've had five children brought in through our emergency department. two of them have been admitted, both in fair condition.

one of those went to the operating room. the other three are being treated in the emergency department. >> so obviously, two in very serious condition, three less serious, is that right? >> that's correct. >> describe the wounds, describe the stab wounds as far as you can. >> so we have the two patients who have been admitted have stab wounds to the chest. the remainder of the patients had stab wounds to the extremities. >> like the arms and the legs, stuff like that? >> yes. >> and obviously, the stab wounds to the chest are much more serious than the stab wounds to the right arm or the left arm or right hand, anything along those lines? >> they have the potential to be more serious. we expect both of those teenagers to do well. >> so there's a 17-year-old male, we're told, at least at presbyterian hospital, who's in

pretty critical condition, but you say there's one in critical condition at children's hospital and one in serious condition, is that right? >> we have upgraded the two who were in serious condition to fair condition and the three who were in the emergency department are all being described as good condition. >> good condition, all right, that's good. is there any conclusions we can make based on the wounds that you've seen, the stabbing wounds on the nature of the attack? >> really not. we're still somewhat mystified by exactly what happened. >> have you ever seen anything along these lines in the pittsburgh area, dr. desemo? >> never. never a mass stabbing. >> and how were the kids doing? i assume their parents are there, educators are there. are they getting the kind of support they really need? >> they are absolutely getting support. i have not spoken with any of them or their families, so i can't comment specifically, but

yes, they are getting all of the appropriate support. >> and what are you hearing from your colleagues at some of the other hospitals? you're at children's hospital. we know presbyterian, mercy, east, some of the other hospitals affiliated with the university of pittsburgh medical center, they're also receiving victims, right? >> they are. in fact, i was just speaking with dr. con from presbyterian. they received the most seriously wounded teenager who is also out of surgery at this point, in critical condition. >> still in critical condition. let's hope for the best. dr. steven desemo, chief medical officer of the children's hospital of pittsburgh. thanks for all the important work that all of you and your staff are doing. we'll take a quick break. salesperson #1: the real deal is the passat tdi clean diesel

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investigators now appear more certain than ever that they have, in fact, zeroed in on the missing malaysian plane. new signals detected are raising hopes of finding flight 370. the australian ship ocean shield towing a u.s. pinger locator has picked up two fresh signals. that's a total of four now since saturday. all the signals were within 17 miles of each other.

also, authorities have analyzed the signals detected saturday and concluded they were, they were from the electronic equipment, from electric equipment, not some natural occurrence. they also said earlier that the pulses were consistent with the signals from a plane's black box. meanwhile, planes and ships are moving ahead with the visual search for debris in the indian ocean. 15 aircraft, 14 ships have been involved in today's search. the detection of those two new pings helping investigators right now narrow the search area for the missing plane dramatically. the head of the agency coordinating the effort says this, quote, i believe we are searching in the right area. our panel of experts are nowe d standing by with the latest on these important developments. lea . let's go to will ripley joining us from perth australia. now that the crews have detected a total of four pings, four of

these signals coming from what they believe are these two black box, what happens now? >> the next step is they keep on listening for more pings hopefully. the search area is dramatically smaller today even than yesterday. we're talking about an area that's still quite large, 500 square miles. the ocean shield is draggin tow locator. it can cover a lot more ground than the other piece of equipment on that ship, the underwater submersiblsubmersibl bluefin 21. the tpl can do about six times the work in a day that the bluefin can do. if they keep listening for pings, each time they hear would be, they can narrow down more and more where this debris might be, and only when they're absolutely certain that the black boxes they believe are somewhere on the bottom of the indian ocean in this area, only when they believe those black boxes have stopped emitting a signal will they then deploy

that submersible because once the submersible goes down there, this whole process becomes a whole lot slower. >> those batteries, the weaker the batteries get, the weaker the signals become, and that makes it more difficult. those batteries are supposed to last 30 days but sometimes they can last 35, even 40 days. we're in day 33, day 34, so they're very worried about the strength of those batteries. what are they saying about the fact that one of the pings lasted for more than two hours, one lasted for 14 minutes, and these two most recent pings lasted for, what, 5 or 6 minutes each, what are they saying that means, will? >> yeah, well, you know, you said it, they're getting weaker. you know, from two hours down to just a matter of minutes and add fading signal. that could say a couple different things. it could say the batteries are dying which, you know, we believe they are. here on day 34 when the

batteries are rated for only 30 days. it could also mean the listening device was somewhat farther away from the black boxes when they heard these pings. that's why it's so critical to keep listening. get as many different pings as possible to zero in on where this plane might be, wolf. >> will ripley in perth australia. we'll check back with you. we'll have analysis of what we just heard in a minute. quickly, to children's hospital in pittsburgh. they're updating us on the conditions of some of the children stabbed earlier today. >> -- i have permission from his family to provide some detail about his injuries. he sustained a single life-threatening stab wound to the left side of his torso. he arrived with a very low blood pressure and evidence of massive bleeding within his chest and abdomen. within minutes the trauma team had this patient in the operating room to manage injuries combined in his chest and abdomen. he had injuries to his liver,

his diaphragm and major blood vessels between the chest and abdomen. fortunately for this young man, the knife missed his heart and his aorta. he's currently in our trauma intensive care unit being -- ongoing resuscitation for his injuries, in critical condition, on life support, and he will require additional surgery in the next several days. >> what is his prognosis? >> he is in critical condition, but we are hopeful he will make it through this. >> what is his name? >> i cannot provide that at this time. he is 17 years old. i understand he was a senior in high school. i don't have direct information on that. we are providing support with social workers and other appropriate support to the

teenagers at this time. >> -- the one you just described, considered the most serious -- >> yes, he's the most seriously injured patient i'm aware of in the upmc system. >> can you give us a little more information about what the next few days hold for him? >> the next several days will include ongoing treatment for bleeding and treating blood clotting disorders that occur with major trauma in intensive care unit with transfusion of blood products he needs, life support on a breathing machine, on a ventilator and additional surgery. >> -- optimistic -- >> yes, we're very optimistic he's going to make it through this. >> what can you say about how he was treated before he got to you? >> i really have to commend the prehospital people and ems providers who brought this patient very quickly to a level 1 trauma center so he could get the life-saving treatment that he needed. >> is he conscious?

would he be conscious? >> when he arrived, he was speaking but was very unstable and currently he's on a breathing machine and sedated. >> is there any evidence that students or staff at the school were able to do things that helped these students? >> i don't have details about the prehospital management. >> can you tell us a little more about the nature of his injuries? >> a single stab wound to the left side of his torso between his chest and abdomen. apparently it was a large knife of some sort because it caused a large injury to his abdominal wall, went through his liver, diaphragm and major blood vessels. >> -- surgery on multiple organs -- >> correct. >> doctor, why does he require additional surgery? >> he had what we call damage control surgery, where our first goal is to control the hemorrhage. and then get the patient to the intensive care unit for ongoing resuscitation. we don't want to subject patients like this to too many hours of operation when the initial goal is just stop the hemorrhage and control bleeding

and that's what we did today. >> how long was the surgery today? >> i believe his surgery was under two hours. >> were you there? >> i was part of the team operating on him today. >> anything more you can tell us -- [ inaudible ]. >> only in generalities. i don't have a release to give specifics. however, it was a single stab wound. it did cause an injury to the chest. the repair was done and he is not in intensive care. he's in a regular hospital room at this point and expected to recover. >> all right, so that's dr. steven decemo and another doctor briefing us on the condition of these students who were stabbed. fortunately, we're told, all expectations are they will survive. clearly at least a few of them are in critical condition now. we'll have much more on this horrible stabbing attack at this

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it looks like the signals we picked up recently have been much weaker than the original six signals we picked up, so that means probably we're either a long way away from it or, in my view, more likely, the batteries are starting to fade, and as a consequence, the signal is becoming weaker. so we need to, as we say, in australia, make hay while the sun shines. we need to get all the data we can. >> the australian angus houston who is heading this search operation. some encouraging developments

overnight. still, though, no wreckage from the flight 370. where do we all go from here? let's bring in our panel of experts. mark weiss is a cnn aviation analyst. peter gohl, cnn aviation analyst, former ntsb managing director and tom fa wens a fuen, former fbi director. we now have four pings that have been detected and we believe this is not some sort of natural pings, these pings come from these two black boxes. >> well, this is exactly what we were hoping for, they would pick up multiple pings, keep the process going and get as many hits as they can as long as these batteries survive. because then you go into a much longer and protracted search. so they got to keep the ocean shield at work. hopefully pick up more hits. and i think they're going to narrow this search area way

down. >> right now it's within 17 miles or so. the depth of the water, mark, is about 3 miles. so it's still a pretty significant area but clearly it's not hundreds of thousands of square miles as original this huge search in the indian ocean was concerned. but they still have a lot of work to do. they're not going to send the submersible, the unmanned vehicles down until they really believe those batteries are dead. >> apparently, you know, they really want to get that cone narrowed down so they really have a specific area. but this does speak volumes to what really has to happen now with regulation and new equipment on aircraft, so that this type of a situation doesn't occur in the future. >> they got to move ahead and hopefully they'll learn lessons from this. everybody's pretty upbeat right now. not just cautiously optimistic, they're optimistic they're going to find these black boxes. presumably some wreckage must be nearby or relatively nearby.

>> well, exactly. you have a crime scene on the ocean floor and they can afford to be meticulous because it's not going anywhere. it's going to stay there. it might sink a little further, but in the next weeks or month, it's not going to matter, it won't move. on like the debris on surface where with the cyclones and everything else it can move hundreds of miles. >> even if they have detected the pings, they still have a long way to go to find those two black boxes. >> they have a long way to go, and they've got some very challenging questions to answer in terms of do you recover the wreckage, do you recover the victims? they're very tough questions that need to be addressed. >> a lot of viewers want to know, who gets custody of those two black boxes, the flight data recorder, the cockpit voice recorder? >> well, it's not finder's keepers. the australians will get custody of it on the spot but it's the

malaysians who determine who examines it, it's a malaysian case, they make the determination. >> since it's a u.s.-made boeing 777, everybody thinks the ntsb should look at those devices. >> everybody's hoping that and the ntsb is the most qualified in the world we think but in this case the malaysians will decide. it is their decision. >> are you worried about that, mark, maybe malaysia will say, we'll take first look at it, we're going to investigate and we'll get back to you? >> well, let's hope that their past track record is now going to take a different course and they've learned from their mistakes and i think the negative publicity that they've had throughout this process will move them in that direction, that they're going to want the best and the brightest on this case. >> you worked at the ntsb, you want to make sure they get access to it? >> well, of course, the malaysians don't have the equipment and don't have the experience to read these data recorders or the voice recorder.

>> want to make a final point? >> when it came to the computer analysis, they turned to the fbi. they said, these are the best examiners in the world, they have the most expertise, so they sent the comb pumt puters to qu virginia. they'll be looking for the best experts to handle this. >> all right, guys, thanks very much. up next, we'll speak with an underwater expert about all these challenges that face them now. ameriprise asked people a simple question:

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searchers picking up two freak signals. there's a total now of four signals since saturday. all within 17 miles of one . >> let's bring in cnn analyst rob mccallum. if they finally do narrow the area, they have four areas 17 or so miles apart, walk us through what happens next. >> well, the towed pinger locator is a glorified micro phone. the next step is to try to get some imagery. and in water you do that through the use of sonar. so they will deploy sonar in order to give us imagery of the sea floor and anything that might be lying on top of it. >> they will hold off on the

submersible equipment until they exhaust the possibility of the batteries still operating and emitting the pings? >> i think the time line is so fine, such a small scale that it doesn't make a lot of difference. the batteries look to me that they're on their way out. the auv, i suspect, will be deployed in the next day. they may choose to bring in other sonar assets in order to speed up scanning the sea floor. >> the ocean silk could be significant especially when you're looking for two relatively small box. >> you know, the level of silt on the sea floor varies tremendously around the globe. if we had been where we thought the search area was going to be a couple of weeks ago, the silt

there is very thick. meters, tens of feet in-depth because it's the outflow from the rivers of the him lay ya. but down here off the coast of western australia, i would expect the sediment to be pretty hard packed. >> so in other words, the silt may not be a problem. but they have really not taken all that close of a look at the bottom of the indian ocean there have they? >> no, there has never been a submersible down to this part of the world before but you can tell a lot by looking at the underwater topography of the sea floor and looking at current flows and current strengths. i would expect the sediment here to be relatively hard packed. if a black box was sitting out i think it would be quite clear. >> so you think they are on the

verge and relatively close to finding it. is that your bottom line? >> my bottom line is we're in the right hay stack and now we have to work our way through. we will go from passive to active mode, actually using sonar to provide images of the sea floor. >> thanks very, very much. we will stay on top of this story for all of our viewers. also another important story we're following, an auultimatumn ukraine. we have u.s. options in ukraine. the defense secretary has just spoken. standby. throwing in the $1,000 fuel reward card is really what makes it like two deals in one. salesperson #2: actually, getting a great car with 42 highway miles per gallon makes it like two deals in one. salesperson #1: point is there's never been a better time to buy a jetta tdi clean diesel. avo: during the first ever volkswagen tdi clean diesel event, get a great deal on a jetta tdi. it gets 42 highway miles per gallon.

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for flight 370 and the pennsylvania school shooting, in ukraine right now, prorussian demonstrators are being given a 48 hour ultimatum. two government buildings in eastern ukraine are being held but they have 48 hours to come to a negotiated settlement or the groups will force the demonstrators out. any action could start a civil war. u.s. officials tell cnn they have good reason to believe that russia is behind the supposedly grass roots revotes in ukraine. they point to the fact that they each have followed the same pattern. jim in beijing explains. >> reporter: strong words regarding russia's military moves around ukraine and i pressed him. it's the criticism of some that the u.s. and the west con creeded crimea to russia and he

said no, it's the west's strategy to impose those costs over time and russia will feel the costs over time. he says that nato is looking at more options, more costs to impose. here is how he answered my question on the level of concern today. >> we are always vigilant. we're always looking at the options to take as you know general breedlove will be reporting options back to me as well as to nato. so, we don't take anything for granted. >> those options are military options, not an attack but the movement of military assets around ukraine to send, in his words, a strong message to putin. he made the case that there is one cost that russia is

suffering at this point and that is international isolation and he believes over time that that isolation will change russia's behavior. the vote in the un where well more than 100 countries voted against crimea. the costs of international isolation has not yet changed russia's behavior. none of the 40,000 troops have moved back from the border on eastern ukraine. he says they will over time. so far that hasn't happened. he's confident that it will. cnn beijing. >> a lot omore of jim's exclusive interview with chuck chuck hagel. >> the u.s. military and navy search for the malaysian airliner as well and he made

fascinating comments on that as well. much more on the ukraine and the malaysian airliner search. much more coming up at 5:00 p.m. eastern in the situation room. a positive day on wall street. the dough, the s&p 500, they, the nasdaq are all showing solid gains. the dow jones industrial average up seven points now. toyota defect covers more than 6 million vehicles, about one third of them in north america included are 27 different models including the pontiac vibe and the subar subaru trezia. the popular models are all on the recall list includes cars

built from 2004 to 2013. that's it for me. thanks very much for watching. i'm wolf blitzer from washington. i will be back with a special-hour edition of the situation room. brooke baldwin starts right now. hi there. we begin this hour with that bloody rampage at a pennsylvania high school. a mass stabbing that injured 20 people, most of them teenagers. many of them hurt so badly, that they could have died. the suspect identified this identify as a student, a tenth grader. we saw him go by. he is all of 16 years of age. police say he was armed with not just one but two knives, ran down the hallway, through several classrooms