Right now. Good evening. We begin tonight with a developing story, a powerful 6. 4 magnitudede earthquake struck southern taiwan, where it is early saturday morning, causing 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 aftershocks. Taiwanese television carefully hod that safety. 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 mmons, nbc news, london. Here in new yk it was an accident that triggered a sudden vioient and deadly impact on a manhattan street. Camera capturing the moment that the boom of a massive crane fell to earth crumbling part of a building, crushing cars and killing a passerby. Giant cranes are ubiquitous in American Cities amid a highrise construction boom but as weve seen before the can be highly dangerous. Nbcs Kristen Dahlgren has details. Whoa [ bleep ]. Reporter the moment the massive crane crashed to earth captured on video, as stunned witnesses looked on in disbelief. Holy [ bleep ] enormous bang, like the loudest bang ever. The whole building, feltike 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 one person struck by the crane. We have one person trapped in a car. 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. Reporter but neighbors say they worried about the crane well bore this mornings winds. It didnt look right. Reporter so youre not surprised . Im stunned, but im not surprised. Reporter construction cranes are a common sight their safety came under scrutiny in 2008 when two collapsed within two months, killing nine. The citys buildings commissioner resigned, and new Safety Measures were 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 incident, e city immediately ordered some 400 other cranes be secured. Now this crane was just inspected yesterday morning, and were told was fully complianan but you can see the Investigation Continues tonight. Theyve also shut down all of t 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 Sanders starting to close the gap on Hillary Clinton nationally, after their most contentious debate yet, clinton is campaigning hard to 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 say you 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 aftft brushing off chuck todds estion. 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 you it . No, im not because i thought it was a good way to communicate what i was seeing in the world. Reporter bernie 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 t 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 totond the very artful smear that you and your campaign have been carryg 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 just one. Reporter but that wasnt enough to sway these young voters clintons way. Theres something very politics about the way that she talks, and bernie has the refreshing way of clinton repeated her charge that Bernie Sanders is smearing her and that his answers on the debate stage shows that hes not ready 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, too, gearing up for its final debate before the New Hampshire primary, and marco rubio could be a bigger target on the stage tomorrow night, thats at parent pricece of success. Our new poll shows him rising to sond place in that state behind donald trump. Nbcs Gabe Gutierrez caught one rubio today. Reporter tonight, marco rubio is on the rise, but under attack. How can you convince the republican primary ters that you are the guy . Because number one, i give us t t best chance to unify this party. Reporr today rubio sat down with us as he prepares for a tomorrow his record of accomplishment is slim. Reporter some of his rivals alrdy 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. Itits 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 accolishment, 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 voice mails. The phone calls night of the Iowa Caucuses by his staffers, implying ben carson was d dpping out. Nbc news has not independently verified these specific calls but has confirmed similarnes were made. Cruz insists his staff simply shared an accurate story that carson was headed home to florida after the caucuses. That 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 only say that the Campaign Hopes to finish in the top tier here in New Hampshire. Lester . Gabe, thank you. Federal Health Officials today issued new guidelines about the zika 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 brout into this country by travelers. And there is growing concern about the large outbreak in brazil, as we close in 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 out as rapidly as we can. Reporter also today a new warning urging all men who have been to the zika zone tobstain from sex or use condoms if they have a pregnant partner, and even if 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 transmitted. All the uncertainty adds to growing concerns about this summers olympics, the Opening Ceremony happens here in rio, six months from tonight. And already more than 1 million tourists from around the world are flocking to brazilor carnivale starting this weekend, 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 later 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 who 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 miles south of the outbreaks epicenter and cooler temperatures in august should deter the mosquitos. Rehema ellis, nbc news, o. Three days after an explosion tore a big hole in a somali jetliner, there are new developments to report. Have been multiple arrests and while some Officials Say a suicide bomber in a wheelchair is suspected, and t tt explosives were hidden in a laptop, those reports are now contradicted by others with knowledge of the inuestigation. Five american investigators have arrived in somalia to help in the search for answers. 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 nziel was a top nfl prospect, but now as our jacob rascon reports his family fears he is spiraling out of control. Reporter they call him johnny football, the first freshman ever to win the highsman trophy, but if 23yyrold Cleveland BrownsQuarterback Johnny Manziel doesnt get immediate help, his family says, he wont live to see his 24th birthday. In a police report, manziels exgirlfriend is quoted saying last weekend the nfl star struck her several the left ear, and ran off. I heard screaming so i came out to my balcony and she saidd 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 Police 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, nfl commissioner roger goodell. We have young people that may have issues that need to be addressed. We want to program a well always look to see how we can do that to try to help them make those adjustments. Reporter mandel largely avoided the spotlight telling tmz the assault didnt happen and that hes completely stable, refusing to check himself in to rehab, his family says, hoping its not game footbaba. Jacob rascon, nbc news, dallas. Still ahead here tonight, a doctor sentenced for killing patients while making money, by overprescribing drugs. How this landmark case could mean major changes for all physicians. Also, high profits. You might 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 Arthritis 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 ability to fight infections, including tuberculosis. Serious, sometimes fatal inctions and cancers, including lymphoma, have happened, as have blood,`liver and nervous system problems, serious allergic reactions, before treatment, get tested for tb. Tell your doctor if youve been to areas where certain fungal infections are common, and if youve had tb, hepatitis b, are prone to infections, or have flulike symptoto or sores. Dont 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 through 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. If youre a mom, you call at the worst time. Its what you do. If you want to save fifteen percent or more on car insurance, its what you do. Where are yoy . Its very loud there. Are you taking a zumba class . Its just a cough. If you could see your cough, youd see just howar it can spread. Robitussin dm max soothes your throat and delivers fast, powerful cough relief. Robitussin dm max. Because its never just a cough. For the first time 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 qadford 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 abouthe 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 powerful addictive drugs like percoset and vicodin to get rich quick. She wrote the vehicle for the addiction to be perpetuated and for the deaths to have occurred. Reporter nine patients died in her ca between 2007 and 2010. When tax returns show r raking in 5 million. Prosecutors say sometimes she kept no records offedical visits or prescriptions. Other times s faked the records all together. Her conviction raising ugh questions about prescription and pain. There is a tremendous problem with chronic main in america. Doctors have to lance 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 reted deaths, killing 44 people in the u. S. Every single day. The message this case sends is that you cant hide behind a 4 White Lab Coat and commit crimes. Reporter crimes prosecutors hope wont become an epidemic. Morgan radford, nbc news, los angeles. Were back in a i use whats already y side me to reach my goals. So i liked when my doctor told me i may reach my blood sugar and a1c goals by activating what s 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 rereonds 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 sugar in adults with type 2 diabetes. It should be used along with diet and exercise. Trulicity is not recommended as theheirst 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. Trulicity is not insulin and has not been studied with longacting insulin. Has had 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 breathing; if you have signs of pancreatitis such as severe stomach pain that will not go away and may move to your back, with or 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 option, ask your doctor about onceweekly trulicity. This is joanne. Her long 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 medicalalr recreational use. Harry smith has more for us tonight. 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. That will do it. Reporter four years from now, sales are expected to exceed 20 billion. Were loong at a 30 compound annual growth rate. Reporter attitudes about marijuana use in americ have changed drastically over the last 20 years. Support for legalization was 36 in 2005. The appetete for marijuana is hearty. Eric justice runs a Marijuana Dispensary in losngeles called buds and roses. We raised sales last year over 3 million in sales. Reporter out of this little place here . Outf this little place, yes. Reporter and legalization has brought a windfall in tax revenue. Colorados 20e15 total . More than 100 million. Legalizatiti will appear on the ballot in a half dozen states. Medical marijua in several more. Go if these Ballot Initiatives do well in 2016 it could spell the endf 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. When we come back here tonight well rheumatoid arthritis. Before you and your rheumatologist move to a biologic, ask if xeljanz 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 little as two weeks, and help stop further joint damage. Xeljanz can lower your ability to fig infections, including tuberculosis. Serious, sometimes fatal injections, lymphoma, and othecancers 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 hapapned. Your doctor should perform blood tests before you start and while taking xeljanz, and monitor certain liver tests. Tell your r ctor if you were in a region where fungal infections are common, and ifou have had tb, hepatitis b or c, or are prone to infections. Xeljanz can reduce the symptoms of ra, even without methotrexate. Ask your rheumatologist out xeljanz. We can help guide your investments through good times and bad. For over 75 years, our clients have relied on us to b bng our best thinking to their investments so in a variety of market conditions. 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 whi many of us would love to see the big game just once in our lives, Nbcs Savannah Guthrie talks 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 rothenbe decided to attend a football event no one heard of, called the World Championship game. Now its called the super bowl. They had such a great time, 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 ink this group clicked . Everyone here is a family man, and that was, i felt well have a family and well get together. Reporter they have personalized jackets and sweatsuits, rings, bathrobes and even a else, superbowlfive. Have seen every play in super bowl history, 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. Reporter 50 years is qui 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 it for us on a friday night. Im lester holt, for