isis claims responsibility for a deadly car bombing outside of a u.s. consulate outside of iraq. plus, we bring you an exclusive report in yemen where thousands are struggling to survive. in australia police have arrested five teenagers suspected of planning a terrorist attack. authorities say the plot was isis-inspired. enemy forces and adversaries. that's how the u.s. national guard in the state of missouri referred to protesters during last year's demonstration in ferguson. we'll have the report for you. welcome to "cnn newsroom." i'm paula newton. it it's 11:00 a.m. in ush erbil

iraq. it's in iraqi kurdistan. and it's generally considered a safe area and considered to be out of the reach of isis but militants managed to drive a car packed with explosives into the neighborhood, filled with bars and restaurants, popular with consulates. cnn's global affairs correspondent elise labott reports. >> reporter: a brazen attack, detonating a car bomb outside of the american consulate in erbil, leaving at least four dead. images show flames and smoke rising homes to hundred of u.s. diplomats. >> all chief admission personnel have been accounted for. >> reporter: as it continues its push to the sunni-dominated al

anbar province, isis released images of a battle. and it's waging a fierce battle in ramadi, 70 miles around baghdad, to choke off the city. even as more than half of ramadi's 300,000 residents led to fighting, america's top military officer minimized the city's importance. some. >> the city's itself is not symbolic in any way. it's not been declared pat of the caliphate in one hand or central to the future of iraq. >> reporter: the u.s. is dedicating more sources to the fight over baji, home to iraq's largest oil refinery. and just a day earlier, isis released video of insurgent clashes in baji, but the iraq

government has yet to prove that today its forces took full control of the area. >> it will be back and forth. you will see instances where they move back in retreat but you will see isil, the ones in carav caravans, heading out. >> reporter: today, they announced they killed a former baptist leader. seen here in 2003. the deputy of saddam hussein linked to isis. abo abduri was the king of cards. >> just in the last two days, u.s.-led coalitions have launched five air strikes and only two in ramadi. so you can see where the u.s. priorities are.

and it's been called a gross mischaracterization of the situation on the ground. general dempsey, the senator said, is in denial. now the conflict in yemen where bombing claimed several more lives. rebels attacked sanaa and other cities. officials say 70 people were killed more than half in yemen. and in soldiers royal to yemen's deposed president. our own has just returned from yemen where she and photographer byron blunt got an exclusive look at the people affected by the fighting. i want you to look at the logistics of this report. it took more than two weeks to organize and require a 30-had hour boat ride from djibouti to

aden, one of the area's hardest hit areas. we must warn you, though, some of the images you're about to see are graphic. here is nima's report. >> reporter: these are the shores of aden, aden has seen some of the fiercest fighting since the battle began. we're going into the side port here and that's where the ship is turning into. even here the fighting between houthi rebel, and yemeni government supporters is never very far away. our boat can't dock directly to port so we climb into smaller boats for the journey to shore. aden is yemen's second largest city. three weeks into the fighting here, and we arrive in a town awash with sewage and watchful

checkpoints. it was originally a military hospital but because of the way the fighting is isolating the communities it has become a general hospital. this is the medical store. this is all they have here. we're going into the icu, the intensive care unit. amed is 5 years old and shares the ward with a man as he struggles to breathe. he wants the doctor to tell us he didn't cry when he was brought in bleeding from his stomach and hasn't cried since. dan yell amira is down the hall from hamid. she lay bleeding for three days her mother tells us as the forces rain down on their house. on the other side, here civilians caused in clashes aboard a neighborhood clinic.

a cameraman film it and sent it into us because it's still too dangerous to cross over. the doctors and nurses here do what they can with what little they have. aden feels desolate and abandoned hollowed out by the fighting. the fear of snipers hangs heavy over the empty streets. around the window of the neighborhood bakery is the only crowd we've seen today. people queue every day all day. there's a queue outside. 24 hours a day. inside the bakery, we soon see why. the owner of this bakery wanted to show us that this is it. this is all the flour that they have left. and when that's gone, there is

no more. in the hills overlooking aden, the shelling has begun. the district's pro-government military commander is being backed by saudi arabia and its coalition. >> reporter: over the sound of the houthi forces in mosul, he

tells us we didn't want this war, but we will defend. the air strikes are fighting early today, we have to leave before it gets dark. with night falling in aden come the bullets, the noises and the bombs. >> some courageous and very important reporting there from our senior international correspondent nima elbagir. earlier, nima spoke with emma walker with what happened as she got ready to leave aden and the risks she and her crew took to bring you this story. >> reporter: a few of them actually ended up coming back with us because there are so few boats coming in and out of aden it's especially under siege. they can't move north because of the fighting that is splitting the country north and south right now. of course, behind them is the gulf of aden where there's been very little traffic. understandably, many cargo ship

owners, passenger ship owners are reticent to go into a port whose control changes on a daily basis. so when we were leaving, we found the harbor master, he told us, 60 refugees, some of them yemeni, some of them foreigners had asked if they could have access to our boat. under international law they have ever right to come here. we took them, 15 of them were american, that really has been controversy in and of itself. while many nations have gone in and evacuated their nationals, the americans have not. some of those, they have been sleeping at that port waiting for a boat ride out for weeks. >> can you talk, nima, about this dangerous journey that you took again? you say it took 30 hour, i read your cnn.com article. what really struck me, how you talked about your cameraman not being able to turn on his light. you guys were also at risk of

accidentally being hit by saudi air strikes. >> reporter: well, essentially that zone of operations has expanded over the gulf of aden, so part of our issue was really having to hug the coat lines to stay away from those deep sea warships where the naval campaign was supposed to be carried out. we extended part of that trip for security reasons, but also like you said, any unidentified vessel traveling down those waterways is a target. and we heard those air strikes. i can't imagine what it's like to be caught up in them on dry land. because even those miles now at sea, emma, it was terrifying, some of the young children who came back with us today, that's what they kept coming back to, not being able to sleep. the tension that they carry in their body still even though they're finally off yemeni soil because it is just so horrible

the way the ground shakes, the walls shake, your body swhax you hear the missiles slam into the ground. >> i want to thank emma and her grew there and her cameraman byron blunt. we want to thank them. now to australia where five teenagers accused of plotting an eminent terror attack are now in custody. police say it was new information this week that sparked the counterterrorism operation in melbourne. some 200 worse involved in the raid. earlier in a news conference, prime minister tony abbott revealed the suspects were targeting police officers. >> there were a series of riots in metropolitan melbourne. five people were arrested. we're expected three to be charged. two will be charge with preparing a terrific act. the act that we believe was in preparation involved attacks against police officers on --

that's as much as we can say, except that this, we believe the potential attack was inspired by the death in the middle east. >> with that said, investigators believe the teenage suspects are not associated with any terror groups. italian authorities have rescued dozens of the migrants from the mediterranean suffering from severe burns including women and children. now, they were apparently preparing to board a boat in libya when a cooking gas canister exploded killing several people. survivors of the blast incredibly still set sail for europe. now, victims are being treated at a hospital in sicily. meantime, italy's prime minister talked about the growing crisis. >> reporter: everything that

happened in the mediterranean sea is not something that merely has to do with security, of course it is. at the same time, it has to do with justice and dignity of mankind. this is why the very authoritative cooperation nat united states offers is for italy an extremely important fact. >> now, at the white house meetings, barack obama he and matteo renzi agreed to work together to fight the isis presence in libya and other threats contributing to the maximum exodus towards europe. iti news correspondent john ray has more on the horrific injuries before they even set sail. >> reporter: from the mediterranean, a ship of horrors. rescue teams who have saved so many poor souls this week say they have seen nothing yet to match this suffering. might go grants, mostly women,

disfigured by burns from an accident on shore then cast out to sea in a sinking dinghy. the smugglers they paid handsomely for their journey abandoned the injured and dying to their fate. >> the traffickers would not even allow them to reach the hospitals so they did not get treatment for a few days and then they were put in a boat. a rubber dinghy. and when rescuers arrived, they had spent two days at sea but they were drifting away because the rubber dinghy was half deflated already. >> reporter: a baby was among the victims caught by an exploding gas cylinder that the women gathered around the cooking stove. this afternoon, we watched as the injured were brought to hospital in sicily, wounded so long untended leave lives in the balance. there, the survivors will

belatedly get the specialist medical help they need, but despite the best efforts of surgeons, doctor say though they may live, many will bear the scars of their journey forever. the smugglers responsible have not been caught. no doubt, they're busy with their next boat load of humusry. iti news, sicily. the man at the center of a police shooting is breaking his silence saying he's still stunned he took someone's life. plus, a natural gas explosion sends a group of inmates to hospitals. details next.

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with plug & protect your security system is configured, tested, and then shipped directly to your home. no wires, no installers, just peel and place. go to livewatch.com because with plug & protect we customize your security to fit your home. the plug & protect secret is technology. with technology, you buy airline tickets without a travel agent, you trade stocks without a stockbroker. now with plug & protect, you can protect your home without an installer, pushy salesman, or a long contract. >> every day the kids got out of school before i left work. i worried whether they were home okay. then i found plug & protect from livewatch. and now i see when they open the front door so i know they're home safe. livewatch helps me stay in touch and in control. >> founded by a paramedic in kansas, serving tens of thousands of homes in all 50 states, and trusted by policemen and firemen throughout the country, livewatch is the new choice for home security. no door to door salespeople, no messy installers,

no long term contracts. just plug & protect. now you too can enjoy the home security and control you want for your family. try plug and protect in your home for a full 90 days. included is our hassle-free guarantee. go to livewatch.com. plug & protect is not available in stores, so go to livewatch.com right now. that's livewatch.com. 14 people are injured, three of them critically, after a gas line explosion in fresno, california. now the explosion and subsequent fire also caused evacuation, in the area, the injured included one construction worker and 13 jail inmates working in the area. one of the critically jurisdiction was evacuated by air ambulance. now, initial reports indicate a construction worker mistakenly hit the pipeline with a backhoe or tractor.

but a spokesperson for pacific gas and electric corporation tells cnn they're investigating why another company's evacuation equipment was in the area at the time. enemy forces that was the language used bill the u.s. national guard to describe protesters in ferguson, missouri, after the shooting death of an unarmed african-american teenager. now the national guard is being criticized for its harsh words but officials claim it was for good reason. cnn's sara sidner explains. >> reporter: cnn has revealed new documents planning how the national guard planned for the situation in ferguson, month. in internal documents using words like enemy forces and adversaries. after protester, looting and burning in the wake of michael brown's death. the document outlined the mission in ferguson and enemy forces to watch out putting general protesters in the same category as known hate groups

like the ku klux klan and the black panthers. saying protesters have historically used molotov cocktails. and some, they used militant tactics taught by that rebel group. >> we are looked at as the enemy anytime we're vocal, anytime we're expressing ourselves, anytime we're disenfrancing itself. particularly in a black community. >> all i am is a 62-year-old grandmother who is worried that i'm going to leave my grandchildren in a world where i can't protect them anymore. i want to see change. i want to see real change. >> reporter: the national guard itself worried about the perception of the words enemy and adversary. in the documents one colonel warned the language could be construed as potentially inflammatory. a national guard spokesman told cnn these are only drafts taken from an army form letter and the language was changed and never appeared in the final order.

the ned of missouri's national guard telling cnn the documents used in the case were a generic military planning format used liezed in a wide range to the term enemy forces would be better understood as potential threats. in november when a grand jury decided not to indict the officer who killed brown, the guard was criticized for the lack of response as two streets in ferguson went up in flames. back then, i asked the city's mayor about the guard's reaction to the riot? >> did the governor do the wrong thing when it comes to how quickly the national guard was deployed on the streets? >> i don't know who made that call but i do believe the national guard should have been out there much sooner. >> whether this was the final document or just a draft, we did notice that the changes taking the word "enemy" out didn't actually happen until november 18th, long after the national guard had already been deployed back in august.

so that language around for quite some time. sara sidner, los angeles. now, it is severe weather season across the united states, and it appears that perhaps strong storms could start developing in the midwest. meteorologist eric van dam is at the weather center. i know we're supposed to be used to it but some of these storms are so terrifying as they barrel through. >> yeah, they're deadly and often a force to be reckoned with, especially across tornado alley, well, we do have the possibility of strong storms, strong gusty winds, hail, even an isolated tornado across portions. midwest. this is the setup. you really don't need to be a meteorologist to see what's going on here because we have a large and very expansive area of low pressure just rotating about the four corners of the united states. and ahead of it, that would be upstream, we have a clash of two different air masses. and that is triggering

thunderstorms from texas, louisiana, through oklahoma, nebraska. and kansas. in fact, you can see these two different air masses colliding. this is forecast dew points into saturday afternoon and evening. that shading of brown, well it just indicates a very dry air mass in some place over the midwest. just that area of pressure we saw swirling a moment ago, we're drawing in all the moisture and this is just an indication of how much available moisture there is across the gulf of mexico and into the midwest. and that clash of two air masses that's what triggers our thunderstorms. in fact, upwards of 50 million americans have some sort of enhanced severe weather threat, having been to saturday. the threats being damaged winds, large hail and isolated tornadoes. this time from wichita, kansas, to oklahoma city. dallas, texas, stretching even farther south even into houston. and new orleans, you have the

possibility of severe weather. if you are tuning in, first and foremost, thank you for staying up with us but do look out for the possibility of strong weather. we do have showers and daytime heating from the sun, we don't have the severe weather to talk about at the moment in terms of current storms but it's by saturday afternoon and evening that we're concerned about. by the way, we have flood watches lining southeast texas, southern louisiana, and mississippipy were have a southern soaker going forward. and by the way, the low pressure system continues to move east, we see a severe weather risk slide eastward even into atlanta where the cnn world weather center is. paula, back to you. >> derrek, i think you do have to be a meteorologist. appreciate that, thanks. businesses are being set on fire in south africa's largest city as xenophobia spreads across the city. viral images when we return.

hello, i'm paula newton. here's an update on top stories we're following this hour. the u.s. state department says all of its personnel are safe after a deadly car bombing near the american consulate in erbil, iraq. four people were killed and 18 others wounded. the terror group isis is claiming responsibility. >> the united nations is appealing for close to $300 million to help people caught between saudi-led air strike and force ground fighting in yemen. this comes as the conflict between government fighters and houthi rebels isolated neighborhoods across that country. 33 people are dead after a suicide bombing in afghanistan, and they include children. a government spokesperson said

the bomber was on a motor bike when he blew himself up in front of a bank in jalalabad. we want to give you more on the top story, the isis crisis in erbil, iraq. people are trying to figure out just how they managed to infiltrate the stronghold in the middle of the country. cnn senior international correspondent ivan watson joins us from erbil live. you always heard from them, we need more support. what is going on here? can we assume this is an isolated attack or something more? >> well, it's certainly not the first time that erbil has been bombed in the dozen years of unrest that have come since the u.s. initially invaded iraq and toppled saddam hussein in this

turmoil that we've seen all across the country since then. so, it's not the first bombing. you have to consider that, though erbil is the capital of iraqi kurdistan of the kurdish stronghold, it's considered to be a relatively safe place for foreigners, international airlines that land at erbil international airport. there are international hotel chains there as well. it is also quite close to the front lines with isis that are located just about a half hour's drive away from erbil. so, while the security is generally considered to be pretty good, presumably, at some point, an enemy could infiltrate, given the close geographic proximity to carry out what appears to have been a suicide attack which, again did not manage to damage the u.s. consulate in erbil, but certainly jangled nerves and led to the deaths of at least four people and 18 people wounded.

now, we're since getting reports out there the day here on saturday that the kurdish peshmerga, southwest a terkamen mission appeared to be carrying out attacks in retaliation for the suicide bombing on friday. also we're hearing reports of fighting all across the country at many of the other flash points where isis have succeeded in actually gain something ground, over the course of the last week, despite the opposition of both iraqi security forces and u.s.-led coalition air strikes, paula. >> it was just a few days, ago, ivan, that certainly iraqi forces were touting the point that tikrit had been isolated and we have all this confusion in ramadi and the fact that isis may be taking over part of that city. how do you parse this, ivan at this point? how much can you believe and

have faith in the iraqi forces and the kurdish fighters who are saying, look, we are taking a chunk of the isis fighting forces here? >> well, we were just showing you recent release footage from the iraqi ministry of defense showing how they're airlifting supplies and assistance to baiji, that's the sprawling refinery compound in the north of iraq, where isis seemed to have captured some areas around the perimeter of that very important economic, strategic target. we're getting reports that both sunni and shiite militias are moving there in an effort to try to clear out that area. but in fact, in the last week, isis have succeeded in making a push into baiji, and they've also succeeded into making a push into ramadi. that town that is only about an hour's drive, some 70 miles west of baghdad. a push that led the city leaders

there to make panicked appeals to the iraqi governments for marine forcements. we're starting to hear that some of those reinforcements are starting to arrive. but what it does show despite an injection of a sift france a u.s.-led coalition from powerful allies like iran to the iraqi government security forces, you're still seeing that isis are allowed to not only hold on to some territory, but also make advances. and it just shows what a difficult enemy they are on the very bloody iraqi battlefield. >> yeah, it certainly does. definitely confusing situation still there on the ground. ivan watson, we thank you. krousd of native south africans set immigrant businesses on fire friday as xenophobia continues to spread. some accusing african immigrants of taking their jobs and creating crimes. cnn's diana magnay was on the

ground in johannesburg as attacks unfolded there. >> reporter: prepped for battle. the these zullu men make fierce enemies. and the police aren't taking chances. police have been firing rubber bullets at the crowd. the south african police hustle here. they've been gathering there. and now foreigners are -- they're approaching. >> go back. >> reporter: there a crowd of anxious nigerians argue with police. they're desperate to salvage their dprars the two signs. this san francisco man led away by police after he was found inside the workshop.

this is what happens when a nigerian run overnight. livelihoods made over year efs ha of hard work lost in a few hours. daniel worked here, his job's now gone and he's scared. >> in the last few days, they're fighting, they've bombed cars, they bombed the roads. and they told us they're going to kill us, we should go back to our country. they're trying attack people. they throw bricks on us. and we are innocent. >> reporter: for now, police are trying to make sure the would sides don't meet. but it's friday, the men with jobs get paid today. the smell of beer is powerful. it could be a rough night. jeanpierre is trying to mediate between the two sides. he said foreigners are

scapegoats for border economic grievances which do have a legitimate basis. >> they need their government to pay attention to them. because there are problems but governments after the election, they don't care after the community. specifically the community in south africa. >> reporter: the president jacob zuma said he's addressing those issues as he promised to do everything possible to stop the attacks. but it's been about eight engineers since xenophobic crowds killed people in south africa. they say the culprits are rarely punished. they question whether these zenophobic attack, are a symptom of more. from countries who hoped south africa would bring them peace and prosperity. diana magnay, cnn, johannesburg.

the u.s. is urging greece to reach a deal with its creditors. the government owes the international monetary fund a payment of $1.1 billion in may. the center in greece said it may run out of money, and if it does, it may have to start paying government workers with ious. u.s. treasury secretary jack lew says if greece doesn't reach an agreement on repayment terms, it would put the global economy at risk. >> i believe that the kind of detail that's needed requires going literally through every line in your budget, and every program that you control. and coming forward with, you know, the kinds of options that both build confidence that there's a sustainable path. and that also start to show how you have the potential for economic growth in the the future. so, i don't for a minute, say that it's easy. but i think that's the kind of

work that has to be done. what i've been saying consistently now for many, many weeks is that this isn't resolved by, you know, speeches. it isn't resolved by rhetoric. it's resolved by the hard, technical work. we're getting the looks of the moments before a u.s. police officer ran his crieser into a gun-wielding man. what happened before the crash. and why the suspect was able to shoot that weapon despite it being locked.

♪ now, you may recall seeing video of a police officer in the u.s. state of arizona hitting a gun-toting man with his cruiser. that footage was quite dramatic. and now, we're seeing footage of a walmart employee handing that same man ammunition, while he held one of the store's guns in

had his hand. and the moments just before he fired that gun, despite it having a trigger lock on it. here's miguel marquez. >> oh! man down. >> reporter: did this ever need to happen? >> oh, my god. >> reporter: new video shows a walmart loss prevention officer telling marana police officers on the scene, the gun this man had just stolen, had a safety lock on it and couldn't be fired. >> it's locked. he can't get the lock off. i'm positive. it's locked. >> reporter: ten seconds later. >> okay. never mind. >> reporter: the walmart loss prevention officer wearing shorts and sandals listening to the radio has his young son on for the ride. police finally yell at the employee, back off.

minutes earlier, mario valencia, mentally unstable on a crime spree all morning is handed a.3030 rifle by a clerk who told police valencia seemed normal. appearing to work the lever and trig are. he then turns his attention to the clerk telling him don't do anything student, give me the ammo. the employee initially resisted but told police she handed over the ammunition because he started to break the case and the glass. she also told police it's walmart policy to give over items during a robbery. walmart said the store clerk acted appropriately, even alerting security to call police beforehanding over the ammo by tiling a code. one 911 call makes clear the gravity of the situation. a walmart asset protection manager tells the operator valencia was trying to load the rifle in the store.

>> i have an unarmed customer in the sporting goods department. >> okay. is he threatening anyone? >> i'm trying to find out. he is loading the weapon in the sporting department at the moment. he is loading it? >> reporter: a photo of the rifle stole by valencia shows the cable lock still on. and wrapped through the lever once with another slack, but the lever could still be operated. police say the lock appeared to be a handgun cable lock. a walmart spokesperson insists the gun had the proper lock correctly installed in the store. and either valencia did something to it. or the force of the patrol car hitting him affected the cable lock. the walmart loss prevention officer and his son were with the tons valencia being taken down by the patrol car. >> oh! >> that guy got -- >> reporter: walmart said it constantly reviews its policies and procedures and this incident

in marana is being discussed right now. miguel marquez, cnn, new york. >> the volunteer deputy who shot and killed fleeting suspect in the city of tulsa, oklahoma, is speaking out for the first time. in a tv interview robert bates says he still can't believe he shot robert harris and insists it was an accident. bates told officers he confused his gun for the taser. ed lavandera has more on the taser and the ongoing credentials. >> oh, i shot him, i'm sorry! >> oh! >> reporter: 73-year-old reserve deputy robert bates was charged with second degree manslaughter after he used his pistol instead of a stun gun killing eric harris. in an interview with nbc's the "today" show, bates says he still can't believe it happened. >> first and foremost, let me apologize to the family of eric harris. you know, this is the second worst thing that's ever happened to me.

or first. ever happened in my life. i've had cancer a number of years ago, i didn't think i was going to get there. luckily i was able to go to a hospital where i had hours of surgery. irate this as number one on my list of things in my life that i regret. >> reporter: bates who had been a volunteer with the tulsa sheriff's department for several years says he didn't explain why he confused his gun for his taser. even though they were positioned in very different locations. my taser is right here in the front, tucked in a protective vest. my gun itself is on my side. normally to the rear. >> reporter: tonight, the ncaa and others are calling on the justice department to launch an external investigation following reports from the tulsa world that the tulsa sheriff's department falsified bates' training records and three supervisors were reassigned when they refused to sign the documents.

>> what we were told is that the supervisors were told to sign off on 250 hours of training. and most of that, he did not -- virtually, all of that, he did not have. and then the supervisors at the gun range were told to sign off on his handgun qualification, even though he did not qualify. >> reporter: but bates stands by his credentials stating that he was fully trained and qualified to be on the sting operation involving harris. and that he has documentation to show he completed the necessary training required of reserve deputies. >> that is absolutely the truth. i have it in writing. >> reporter: but the harris family attorney questions the authenticity of any such documents. do you think these documents have been falsified? >> absolutely. and again, i think if there were to be any reference that has surfaced which none have. okay. but i believe that mr. bates has never been trained as -- in a field training-type of situation. >> reporter: ed lavandera, cnn,

tulsa, oklahoma. one of america's favorite television doctors is in trouble. why a group of physicians are calling dr. oz a quack. that's coming up.

technology gives you control and now technology gives you home security and control in a new and revolutionary way. introducing plug & protect from livewatch security, an easy to use wireless security system, customized just for your home. control from any smartphone, tablet, or computer

and monitored by professionals 24/7. go to livewatch.com to get plug & protect interactive security delivered to your door. arm or disarm your system from anywhere. lock or unlock your doors, turn your lights off or on, even oversee your home with live video. with plug & protect your security system is configured, tested, and then shipped directly to your home. no wires, no installers, just peel and place. go to livewatch.com because with plug & protect we customize your security to fit your home. the plug & protect secret is technology. with technology, you buy airline tickets without a travel agent, you trade stocks without a stockbroker. now with plug & protect, you can protect your home without an installer, pushy salesman, or a long contract. >> every day the kids got out of school before i left work. i worried whether they were home okay. then i found plug & protect from livewatch. and now i see when they open the front door so i know they're home safe.

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♪ popular american talk show host dr. mehmet oz is under fire again. this time by members of his own profession. a group of physicians is accusing him of promoting, quote, crack products and treatments. and they're even urging columbia university's prestigious medical school to cut its ties with him. elizabeth cohen has more on the scathing attack. >> reporter: there's nothing ambiguous in the letter that ten doctors wrote about dr. oz to the dean of the medical school. we are surprised and dismays that columbia university of college of physicians and surgeons would permit dr. mehmet oz to occupy a faculty appointment. he has petedly shown disdain for science. he has manifested egregious lack

of integrity in promoting quack treatments and cures. >> he has touted many drugs as miracle drugs for weight loss which causes people to spend huge amounts of money for treatments that have no benefit whatsoever. >> reporter: he said at most universities if someone did this -- >> that is grounds for dismissal. >> reporter: columbia university responded telling cnn they won't stop faculty members from speaking their minds. in a statement today, oz said we provide multiple points of view, including mine, which is offered without conflict of interest. that still doesn't sit well with certain agendas which distort the facts. oz was on oprah as her go-to doctor and spun off the tv show. it wasn't long until his thoughts caused controversy. >> i've got the number one product on the market to burn fat. >> reporter: and weight loss cures and called to the carpet. >> i don't get why you need to

say this stuff because you know it's not true. so, why, when you have this amazing megaphone, and this amazing ability to communicate, why would you cheapen your show by saying things like that? >> i actually do personally do believe in the items i talk about in the show. i passionately study them. i would give my audience the vice i give my family all the time. and i've given my family these products. >> this little bean has scientists saying they found a magic weight loss cure for every body type. >> reporter: the one touted on the show was sued by false advertising and settled for $3.5 million. all fodder for the doctors asking columbia university to rethink dr. oz's position. elizabeth cohen reporting. i'll be back with another hour of "newsroom" in just a moment. [ male announcer ] you wouldn't leave your car unprotected. but a lot of us leave our identities unprotected.

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as groups plead for assistance in yemen, an exclusive report inside one city under siege. and isis-inspired attack may have thwarted in australia after five suspects of arrested. and 20 years after the bombing of the u.s. federal building in oklahoma city, a look at one man who could have stopped it. welcome to our viewers in the u.s. and around the world. i'm paula newton, and this is "cnn newsroom." -- captions by vitac -- www.vitac.com on friday u.s. president