Right now. Good evening. We begin tonight with a developing story, a powerful 6. 4 magnitude earthquake struck southern taiwan, where it is early saturday morning, caung buildings to collapse. There are reports that several hundred people may be trapped and rescues are under way. We get the latest tonight from nbcs keir simmons. Reporter in the dark, rescuers search for survivors in twisted concrete metal. Hundreds trapped, according to reports tonight, after multiple buildings collapsed. One man crawls out and is carried away. The earthquake, a magnitude 6. 4, struck at 4 00 a. M. Local time, while people were sleeping. It was only six miles deep, amplifying its damaging effect. Multiple firefighters worked simultaneously despite many Taiwanese Television shown a woman high up carefully hoped that safety. Those who escaped relieved to be alive. So far no reports of death or serious injuries but at least two buildings have collapsed, one 17 stories high, 123 people rescued from it so far, reports say but as the hours go by, there will be fears for anyone still missing. Keir simmons, nbc news, london. Here in new york it was an accident that triggered a sudden violent and deadly impact on a manhattan street. Camera capturing the moment that the boom a massive crane fell to earth crumbling part of a building, crushing cars and killing a passerby. Giant cranes are ubiquitous in americanan cities amid a highrise construction boom but as weve seen before they can be highly dangerous. Nbcs Kristen Dahlgren has details. Whoa [ bleep ]. Reporter the moment the massive crane crashed to earth captured on video, as looked on in disbelief. Holy [ bleep ] there was an enormous bang, like the loudede bang er. The whole building, felt like the whole earth shook. Reporter on the street below, debris stretching the length of two football fields. The 300ton metal crane twisted and broken, its cabs flipped. Cars flatten. Were going to need numerous ambulances here. We have oneerson struck by the crane. We have one persoso trapped in a r. Reporter the trapped man was one of three injured. 38yearold david wick was killed, simply walking on the street during rush hour, when the crane crashed down. Hundreds of rescue workers rushed to the scene, as did new yorks mayor, calling it a miracle more werent killed. This incident occurred literally as they were lowering the crane to secure it. Repepter but neighbors say they worried about the crane well before this mornings winds. It didnt look right. Reporter so youre not surprised . Im not surprised. Reporter construction cranes are a common sight around manhattan. Their safety came under scrutiny in 2008 when two collapsed within two months, killing nine. The citys buildings commissioner resigned, and new Safety Measures werer put in place. Just last may, a cable on a crane snapped, injuring ten. That crane owned by the same company as the one that collapsed today. Following this mornings inindent, the city immediately ordered some 400 other cranes be secured. Now this crane was just inspected yesterday morning, and were told was fully compliant but you can see the Investigation Continues tonight. Theyve also shut down all of the gas mains in the area, trying to prevent another tragedy. Lester, it could take a week before that service is restored. Kristen dahlgren here in new york, thanks. We are entering the final weekend before the nations first primary in New Hampshire and two brand new polls show bernie sandede starting to close the nationally, after their most contentious debate yet, clinton is campaigning hard to win that support back. Nbcs Andrea Mitchell spoke with her on the trail. Reporter Hillary Clinton today reaching out to women and young people who have been flocking to Bernie Sanders, bringing in the cavalry, womens senators. But the crowd was mostly of a certain age, the scene reflecting clintons base, not young people. They sayou sound more like a politician, that Bernie Sanders sounds more authentic. Well look around here, i have a lot of young people who are supporting me and they are working really hard every single day to go out, contact voters to make the case. Reporter and after brushing off chuck todds question. Releasing transcripts of her paid speeches to wall street banks. Would you release them . I dont know the status but ill certainly look into it. Reporter are you willing to release the transcripts . I said ill get into that. I want to get into whats behind this. Reporter sorry did no, im not because i thought it was a good way to communicatehat i was seeing i i the world. Reporter Bernie E Sanders today not taking up that issue. Speaking to an overflow crowd in the snow. What momentum is, is that in the midst of a snowstorm, you cant get all of the people into the room. Thats momentum. Reporter this after the gloves came off last night. One of the things we should do is not only talk the talk, but walk the walk. I think its time to end the very artful smear that you and your campaign have been carrying out. Oh. In recent weeks. Ooh. And lets talk reporter but sanders seeming to struggle on Foreign Policy. North korea is a very strange situation, because it is such an isolated country, run by a handful of dictators, or maybe justone. Reporter but that wasnt enough to sway these young voters clintons way. Theres something very politics about the way that she the refreshing wayay of speaking. Reporter tonight clinton repeated her arge that bernie nders is smearing her and that his answers on the debate stage shows that hes not readydy to be commander in chief. Asked about that, he replied that was the hidden attack of the day and says she has failed the most important Foreign Policy test, by voting for the war in iraq. Lester, its getting hotter and hotter in this campaign. You bet. The republican field hotter and hotter, o, gearing up for its final debate before the new hampshirir primary, and marco rubio could b b a bigger target on the stage tomorrow night, thats at parent price of success. Our new poll shows him rising to second place in that state behind donald trumum nbcs Gabe Gutierrez today. Reporter tonight, marco rubio is on the rise, but under attack. How can you convince the republican primary voters that you are the guy . Because number one, chance to unify this party. Reporter today rubio sat down with us as he prepares for a crucial debate morrow. His rececd of accomplishment is slim. Reporter some of his rivals already pouncing on his experience. This selection about the future, not just the resume competition. Being president of the United States is not like being a real estate developer. Eight not like being a grn. It is about being commander in chief. Reporter rubio argues he passed a bill to reform the va and another to slap more sanctions on the terrorist group hezbollah. Was that enough of an accomplishment, though, to put on your top five . It absolutely is. Reporter was it that hard, though . Thats not how you judge meaningful things. Reporter with just days before the primary, frontrunner donald trump stuck in new york this morning because he couldnt get the snow in New Hampshire, jeb bush taunting him in a tweet my 90yearold mother made it out to campaign. Ted cruz also under fire as brightbart news published these the phone calls allegedly made the night of the Iowa Caucuses by his staffers, implying ben carson was dropping out. Nbc news h not independently verified these specific calls but has confirmed similar ones were made. Cruz insists his staff simply shared an accurate story that carson was headed home to florida after the caucuses. T tt was a very unethical thing to do. Reporter the crowds here at rubios rallies continue to grow but his aides continue to run a scripted campaign, always seeking to manage expectations. They will onlyy say that the Campaign Hopes to finish in the top tier here in New Hampshire. Lester . Gabe, thank yo federal Health Official today issued new guidelines about theeika virus and safe six practices, aimed at preventing the spread in this country. 51 zika cases have now been found in a dozen states and washington, d. C. , all but one brouout into this cocotry by travelers. Concern about the large outbreak in brazil, as we close in on the summer olympics in rio, now just six months away. Rehema ellis has more. Reporter today the cdc is rushing to produce more zika testing kits. There arent enough zika tests to go around. Weve been turning them o o as rapidly as wewecan. Reporter also today a new warning urging all men who have been to the zika zone to abstain from sex or use condoms if they have a pregnant partner, and even if their partner isnt expecting, to consider taking the same precaution for the time being. The New Discovery of zika in urine and saliva raises even more questions about how the virus can be trtrsmitted. All the uncertainty adds to growing concerns about this summers olympics, the Opening Ceremony happens here in rio, tonight. And already more than 1 million tourists are flocking to brazilor carnivale starting this weekend, with crews working to wipe out the mosquitos carrying zika, rios mayor insists his city is prepared. This is not whether or not youre going to have a venue. Im not trying to minimize the problem but again this is our everyday problem. Were living here. I have my family here. Reporter 26yearold diver and olympic hopeful Abbie Johnston is competing in rio l ler this month. Even its a mild flulike illness for someone who is not pregnant that type of illness can affect athletic performance. Reporter there are athletes w w have competed while pregnant, during londons 2012 games there were five, including two americans, who won gold. Perhaps reassuring to athletes and tourists, rio is more than 1,000 les south of the outbreaks epicenter and cooler temperatures in august should deter the mosquitos. Rehema ellis,bc news, rio. Three days after big hole in a somalii jetliner, there are new developments to report. Authorities say there have been multiple arrests and while some Officials Say a suicide bomr in a wheelchair is suspected, a a that explosives were hidden in a laptop, those reports are now contradicted by others with knowledge of the investigation. Five american investigators have arrived in somalia to help in the search for answerer there is late word that the exgirlfriend of nfl Quarterback Johnny Manziel has taken out a protective order against him. She told police he beat her but she did not press charges. Not so long ago manziel was a top nfl prospect, but now as our jacob rascon reports his family fears he is spiraling out of control. Reporter t ty call him johnny football, the first freshman ever to win the highsman trophy, but if 23yearold Cleveland BrownsQuarterback Johnny Manziel doesnt get immediate help, his mily says, he wont live to see his 24th birthday. In a police report, quoted saying last weekend the nfl star struck her several times, including in the left ear, and ran off. I heard screaming so i came out to my balcony and she said her boyfriend had beat her up. Reporter tonight a judge signed a restraining order keeping the quarterback away from his exgirlfriend for two years, and ordering him to pay 12,000 in legal fees. The exgirlfriend declined to press charges and polole closed the case, but tonight, the fallout is just beginning. The browns are expected to release him, his agent dropping him today. Also today in san francisco, nflfl commissioner roger goodell. We have young people that may have issues that need to be addressed. We want to program and well always look to see how we can do thaha to try to help them make those adjustments. Reporter mandel largely avoided the spotlight telling tmz the assault didnt happen and that hs himself in to rehab, s family says, hoping its not game over for johnny football. Jacob rascon, nbc ws, dallas. Still ahead h he toninit, a doctor sentenced for killing patients while making money, by overprescribing drugs. How this landmark case could mea major changes for all physicians. Also, high profits. Youuight be surprised to find out how much is being this is a body of proof. Proof of less joint pain. And clearer skin. This is my body of proof that i can fight psoriatic ararritis with humira. Humira works by targeting and helping to block a specific source of inflammation that contributes to both joint and skin symptoms. Its proven to help relieve pain, stop further joint damage and clear skin in many adults. Doctors have been prescribing humira for 10 years. Humira can lower your ility to fight infecdions, including tuberculosis. Serious, somomimes fatal ininctions and cancers, as have blood, liver and nervous system problems, serious allergic reactions, and new or worsening heart failure. Before treatment, get tested for tb. Tell your doctor if yoyove been to areas where certain fungal infections are common, and if youve had tb, hepatitis b, are prone to infections, or have flulike symptoms or sores. Nt start humira if you have an infection. Want more proof . Ask your rheumatologist about humira. Humira. This is my body of proof ive been on my feel all day. Im bushed yea me too. Excuse me. Coming throu ride the gel wave of comfort with dr. Scholls massaging gel insoles. Theyre proven to give you comfort. Which helps you feel more energized. All day long. I want what he has. cell phone rings where are you . Well the squirrels are back in the attic. Mom . Your dad wont call an exterminator. Can i call you back, mom . He says its personal this time. You call at the worst time. Its what you do. If you wananto save fifteen percent or more on car insurance, you switch to geico. Its what you do. Where are you . Its very loud there. Are you taking a zumba class . Its just a cough. If you could see your cough, yoyod see just how far it can spread. Robitussin dm max soothes your throat and delivers fast, powerful cough relief. For the first time in this country a doctor has been sentenced for killing. By overprescribing pain medication. The Los Angelesbased physician received 30 years to life for the murders of three people in her care. As nbcs Morgan Radford explains, it could send shock waves to doctorses offices around the nation. Reporter lisa zhang, once a thriving physician behind bars, sentenced to 30 years of life. A person did not care about the lives of her patients. Reporter in court today a public apology. I would like to apologize to all my patients and their family members and im really terribly sorry for all of your loss. Reporter this is the first time a u. S. Doctor has ever been convicted of murder for prescribing drugs like percoset and vicodin to get rich quick. She wrote the prescriptions. She provided the vehicle for the addiction to be perpetuated and for the deaths to have occurred. Reporter nine patients died i her care between 2007 and 2010. When tax returns show her raking in 5 million. Prosecutors say sometimes she kept no records of medical visitsr prescriptions. Other times sheheaked the records all together. Her conviction raising tough questions about prescription and pain. There is a tremendous problem with chronic main in america. Doctor have to balance when its appropriate and when to stop. Reporter the amount of prescription pain killers dispensed in the u. S. Quadrupled since 1999, so has the number of prescription related deaths, killing 44 people in the u. S. Every single day. The message this case sends is that you cant hide behind a White Lab Coat and commit crimes. Becoco an epidemic. Morgan radford, nbc news, los angeles. Were back in a moment w i use whats already inside me to reach my goals. So i liked when my doctor told me i may reach my blood sugar and a1c goals by activating whats within me. With onceweekly trulicity. Trulicity is not insulin. It helps activate my body to do what its supposed to do release its own insulin. Trulicity responds when my blood sugar rises. I take it once a week, and it works 24 7. It comes in an easytouse pen and i may even lose a little weight. Trulicity is a onceweekly injectable prescription medicine to improve blood s sar in adults witittype 2 diabetes. It should be used along with diet and exercise. Trulicity is not recommended as the first medicine to treat diabetes and should not be used by people with severe stomach or intestinal problems, or people with type i diabetes or diabetic ketoacidosis. And has not been studied with longacting insulin. Do not take trulicity if you or anyone in your family has s d medullary Thyroid Cancer or multiple endocrine neoplasia syndrome type 2 or if you are allergic to trulicity or its ingredients. Stop using trulicity and call your doctor right away if you have symptoms of an allergic reaction, such as itching, rash, or difficulty y eathing; if you have signs of pancreatitis such as severe stomach pain that will not go away and may move to your back, with o without vomiting; or if you have symptoms of Thyroid Cancer, which may include a lump or swelling in your neck, hoarseness, trouble swallowing, or shortness of breath. Medicines like trulicity may cause stomach problems, which could be severe. Tell your doctor about all your medical conditions and any medicines you take. Taking trulicity with a sulfonylurea or insulin may increase your risk for low blood sugar. Common side effects include nausea, diarrhea, vomiting, decreased appetite, and indigestion. Some side effects can lead to dehydration, which may cause kidney failure. With trulicity, i click to activate whats within me. If you want help improving your a1c and blood sugar numbers with a noninsulin oion, and click totoctivate your within. This is joanne. Her tong day as a hair stylist starts with shoulder pain when. Hey joanne, want to trade the all day relief of 2 aleve with 6 tylenol . Give up my 2 aleve for 6 tylenol . No thanks. As more and more states permit the use of marijuana, sales of the drug are exmoding. New figures out this week show that legal pot sales grew by almost 1 billion over the last year to 5. 4 billion. 23 states plus washington, d. C. , now permit medical or recreational use. Harry smith has more for us t tight. Reporter if youve been around someone smoking marijuana, you know it has a distinct aroma, but more and more, that scent is the smell of money. Thattill do it. Reporter four years from now, sales are expected to exceed 20 billion. Were looking at a 30 compound annual growth rate. Reporter attitudes about marijuanana use in america have changed drastically over the last 20 years. Support for in 2005. Its 5858 now. The appetite for marijuana is hearty. Eric justice runs a Marijuana Dispensary in los angeles called buds and roses. We raised s ses last year over 3 million in sales. Reporter out of this little place here . Out of this little place, yes. Reporter and legalization has brought a windfall in tax revenue. Colorados 20e15 total . More than 100 million. Legalization will appear on the ballot in a half dozen states. Medical marijuana in several more. Go if these Ballot Initiatives do well in 2016 it could spell the end of marijuana prohibition in short order. Reporter the same ballot box may prove problematic for ending prohibition. What president ial candidate, after all, wants to be seen as high on marijuana . Harry smith, nbc news, new york. Here tonight well meet five men your body was made for Better Things than rheumatoid arthritis. Before you and your rheumatologist move to a biologic, ask if xeljaja is right for you. Xeljanz is a small pill for adults with moderate to severe ra for whom methotrexate did not work well. Xeljanz can reduce joint pain and swelling in as littleles two weeks, and help stop further joint damage. Xeljanz can lower your ability to fight infections, including tuberculosis. Serious, sometimes fal infections, lymphoma, and other cancncs have happened. Dont start xeljanz if you have an infection. Tears in the stomach or intestines, low blood cell counts, and higher liver tests and cholesterol levels have happened. Your doctor should perform blood tests before you start and while taking xeljanz, and monitor certain liver tests. Tell your doctor if you were in a region where fungal infections are common, and if youave had tb, hepatitis b or c, or are prone to infections. Xeljanz can reduce the symptoms of ra, even without methotrexate. About xeljanz. You cant predict. The market. But at t. Rowe price, we can help guide your investments through good times and bad. For over 75 years, our clients have relied on us to bring our best thinking toheir investments so in a variety of market contions. You can feel confident. In our experience. Call a t. Rowe price retirement specialist or your advisor. To see how we can help make the most of your retirement savings. T. Rowe price. Finally, were less that be 48 hours from the super bowl, and while many of us big game just once in our lives, Nbcs Savannah Guthrie talks to five friends who have been to every single one. Where you been . Reporter 50 years ago these five friends from back east, sheldon shepler, lou rappaport, Larry Mcdonald and Harvey Rothenberg decided to attend a football event no one heard of, lled the World Championship game. Now its called the super bowl. They had such a great titi, they went the next year, and the next, until five years became ten, and ten became 20. It would go on to be a lifelong tradition, going back to the super bowl every single year. Eventually calling their posse the super bowl five. Why do you think this group clicked . Everyone here is a family man, and that was, i felt well have a family and well get together. And sweatsuits, rings, bathrobes and even a racehorse named, what else, superbowlfive. Just imagine, they have seen every play in super bowl history, but perhaps the most moving for these men, all veterans, all deeply patriotic, was super bowl xxv during the height of the gulf war, when Whitney Houston sang the National Anthem and f15s threw over in missing man formation. We were sitting in front of some professional football player, we turned around, tears were streaming. There was not a dry eye in the stadium. Not a dry eye in the house. Yes. Reportete 50 years is quite a milestone, and have you been thinking about that anniversary and what it means . Im sure it does hit me sometimes and i thank the lord were together. Nothing is forever, savannah. We all understand that. Were devoted to each other and were devoted to the super bowl. Enjoy the game, fellas and many, many more. Thats going to do night. Im lester holt, for all of us at nbc news, thank you for watching and good night. Helping one eastern iowa crimestoppers a big successand theyll get some help to make sure there are ewards for tipsters. Plus cedar valley Business Owner van miller is still giving back to the community. Months after his death. And an organization in eetern iowa is ollecting bottled water to help people in flint, michigan. Youre watching kwwl, weve got you covered. This is the news at six. Good evening everyone, im ron steele. Amanda is off tonight. The cedar valley crimestppers organization is having som great success. Thankk to social