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alex perez, abc news, chicago. >> we thank you, alex. >>> and a change of topics now.oday, everyone was watching as a superstar performer at the center of a big controversy finally broke her silence. we're talking abbeyon say, and "the star spangled banner." for anyone who doubted she could sing it, she sang it, all alone. here's abc's paula faris. >> reporter: she walked to the front of the stage and faced the music with music. ♪ o say can you see >> reporter: beyonce, belting out the national anthem acapella at her super bowl press conference today. no pre-recorded tracks. ♪ what so proud ly we hailed ♪ ♪ at the twilight's last gleaming ♪ >> reporter: she now admits she did sing over pre-recorded tracks at the presidential inauguration, sparking controversy. >> beyonce-gate. the crisis in lipia. >> reporter: for ten days she's been silent. today, she came clean. >> any questions? >> reporter: immediately setting the record straight. >> due to the weather, due to the delay, due to no proper sound check, i did not feel comfortable taking a risk. i decided to sing along

abc's alex perez finds out. >> reporter: over the last decades, tattoos have poked through and emergedsecret, go-against-the-grain, rebel following, to being publicly accepted. approximately 36% of americans between 18 to 25 have been inked. 1 in 5 americans have at least one tattoo. tattoos today are so popular, the art the mainstream, making some of the artists cult stars. even the guy who teaches the art got his own 15 minutes of fame. >> this is how you learn. >> reporter: tlc's show, "tattoo school," and star, dr. bill, a 43-year tattoo vet ran, who started his own school called the world's only tattoo school, located in shreveport, louisiana. is it the only tattoo school? >> when we started it was the only one in the world. >> reporter: today, the students get a lecture about a new rotary gun. >> rotary machines do not work like your coil. the coil is like a reciprocating electromagnet. >> reporter: and immediately get to put it to work. >> ready to go? all right. go ahead. >> and where does it go? right here. >> reporter: and because, after all, these are students -- >> it's kin

. >> reporter: for "nightline," i'm alex perez in shreveport, louisiana. >> tattoo school. thanks to alex for that. thank you for watching abc news. check in for "good morning america." we're always online at abcnews.com. see you tomorrow. >>> in the next 48 hours, a blast of winter air will send temperatures plunging in the bay area. >> by friday morning you can see them driving on thin ice. they issued a black ice warning for the bay area roads. >> and the cold snap has the potential to freeze foliage in your garden. >> let's start with sand sash sash sandhya patel. >> we will check out live doppler 7hd. a we do have a few showers around the bay area. most of the showers have been skirting the coastline. but i am going to take you in where we are seeing some rain reaching the ground over land. as we show you highway 101 heading up toward ukiah, we are seeing light returns. old stage road and north rock road and we are seeing some showers. as we look around the gilroy area, as we take you to san mar teen, very light showers. so far the rainfall amounteneraa 10th of an inch

for those of you wondering what it's like to be the one who wields the needle, we sent abc's alex perezol, offering two-week crash course. >> reporter: over the last decades, tattoos have poked through and emerged from a secret go against the grain rebel following to being publicly accepted. approximately 36% of americans between the ages of 18 to 25 have been inked. one in five americans have at least one tattoo. >> sometimes i like to crack jokes while i'm tattooing, just to keep the client's mind off the pain. >> reporter: tattoos are so popular, the art is mainstream, making some of the artists cult stars. >> i'm ready to rock and show the world what tattooing is all about. >> reporter: even the guy who teaches the artists got his 15 minutes of fame. tlc's show "tattoo school", which profiled the challenges of learning the trade. and star dr. bill poe, started his own school called the world's only tattoo school, located in shreveport, louisiana. is it really the world's only tattoo school? >> when we first started it, it certainly was the only one in the world and that is the legal

and as abc's alex perez tells us, even firefighters are getting frozen in place. alex? >> reporter: well, diane, this deep freeze making it difficult for firefighters in all those states to do their job. here in chicago, this warehouse fire started on tuesday, reignited this morning and as you can see, all the w water crs are dousing on this structure has turned it into an urban igloo. burning ice. an unusual sight in a tremendous battle for chicago firefighters working in near zero temperatures. >> slips, falls increase, the fos brit. your body has to work hard just to keep yourself warm. you're going to get fatigued faster. >> reporter: the chill creating problems for firefighters all over. this home in indianapolis, up in flames. the owner was using an oven to keep warm. the deep freeze also deadly. at least four deaths blamed on the cold blast. in parts of indiana, lake effect snow. in new york city, one sign of the icebox misery, a fire hydrant frozen in time. in salt lake city, a cold, icy runway caused a plane to slide and forced officials to shut down the airpor

and some of the folks, no one knows it better than where our alex perez is standing in chicago. good morning, alex. >> reporter: good morning, sam. right now, the problem here in chicago and in the areas dealing with this extreme cold is how quickly everything is freezing. going to step out of the way here. look at this warehouse behind me here. this building ught fire on tuesday. and authorities are still here trying to extinguish the flames. now, part of the problem is that the water they are using has turned this place into a huge icebox. this morning, from the upper midwest, all the way to the east coast, deep freeze danger. >> the only thing you can do is put on layers. >> reporter: crews tried to extinguish this massive blaze. when the fire was out, an urban igloo. all that water immediately turning to ice. in gaithersburg, maryland, a nerve-racking rescue wednesday. a man working on a cell phone tower 200 feet up was so cold, he lost the feeling in his hands and began to cramp up. another worker had to climb the tower and safely get him down. in michigan, a driver's nightm

and some of the folks, no one knows it better than where our alex perez is standing right now in chicago. good morning, alex. >> reporter: good morning, sam. part of the problem is how quickly everything freezes. take a look at this building. it caught fire tuesday. it rekindled wednesday. and it's transformed into a complete icebox. this morning, from the upper midwest, all the way to the east coast, deep freeze danger. >> the only thing you can do is put on layers. >> reporter: in chicago, frozen hydrants challenged crews, trying to extinguish this massive warehouse blaze. when the fire was finally out, an urban igloo. all that water immediately turning to ice. in gaithersburg, maryland, a nerve-racking rescue wednesday. a man working on a cell phone tower 200 feet up was so cold, he lost the feeling in his hands and began to cramp up. another worker had to climb the tower and safely get him down. in michigan, a driver's nightmare. car on top of car, after snow and black ice called this 20-car pileup. killing one person. another pileup in ohio closed a stretch of i-90. in philadelphia

alex perez spoke to family members on both sides in this bitter battle over his estate. morning, alex. >> reporter: good morning, bianna. urooj khan's family has spent the last few months looking into what happened to him. they are hoping the decision to exhume his body will get them answers. for the first time, urooj khan's family is speaking a out about his mysterious death in july, one day after he claimed his lotto jackpot. this morning, his nephew, says he knew something wasn't right. >> the next day later, he passes away. it raises some eyebrows. >> reporter: it turns out those concerns may have been warranted. the medical examiner initially ruled khan died of nap ral causes. but after concerns, siblings demanded more tests. authorities found a lethal amount of cyanide in his blood, turning this case into a homicide investigation. >> when we found out there was cyanide in his blood, after the toxicology report, someoned that to kill him. >> reporter: they have no suspects. but they did question his widow. ansari, working at the couple's dry cleaning business, decli

abc's alex perez has all of the details from chicago. good morning, alex. >> reporter: hey, good morning, george. in just a few hours, investigators will be asking a judge to exhume urooj khan's body, hoping to get some answers from the grave. this morning, the mystery over who may have poisoned urooj khan is growing deeper. his widow, still working at the couple's dry cleaning business, declined to speak to abc news. on camera about the investigation. police are not calling her a suspect. but her attorney says investigators questioned her for more than four hours and filed a warrant to search the couple's home. >> absolutely, positively, she had nothing to do with her husband's death. >> reporter: khan won a million-dollar lottery jackpot in july. after picking up his check, his wife says he came home. they ate a traditional indian dinner and went to bed before he cashed the check. after a concerned family member demanded more tests, authorities found a lethal amount of cyanide in his blood, turning the case into a homicide investigation

alex perez is at the university of arkansas. what does it look like there? >> good morning, sam.he strong straight line winds kept many people up here in arkansas. this shed was protecting the horses there in the last shot. it came down on top of that trailer there. neither the horses nor people were injured in any of this. as for the 17-year-old young lady that was electro orkelect doing just fine this morning. it will be a busy morning here. sam? >> tough to see what happened until you get the daylight in. another rough day of storms. we'll show you who gets it from tallahassee to new york city. >>> let's turn to josh elliott for the other developing stories. a big stock market surge yesterday. >> it was a roar. we're going begin there with your money. as we take a look now, the dow gaining another 72 points. approaching a major milestone this morning, the 14,000-mark. bianna golodryga here to explain it all. >> good morning to you, josh. the dow at the highest level since october 2007. gaining 850 point this is month alone. the best start to the year since 1989. we're only 200

and abc's alex perez in the middle of it all. good morning to you in chicago, alex. >> reporter: good morning, josh. this is one of the hospitals that had so many flu patients they had to turn some away. this is the earliest start to the flu season in a decade. many hospitals are scrambling to keep up. this morning, emergency rooms across the country are being inundated with patients fighting the flu. a whopping 41 states are battling widespread outbreaks. >> i couldn't breathe, even worse, my face was, like, sweaty. >> reporter: in chicago, at one point, eight hospitals were diverting flu patients with nonlife-threatening conditions from their own crowded e.r.s to those with fewer patients. at northwestern memorial, they've seen a 20% increase in flu patients, 30 to 50 a day. >> everybody who needs to be admitted sits in the emergency department. >> reporter: in pennsylvania, so many flu patients, one hospital built a triage tent outside the e.r. and at hospitals in ohio, those with the flu must wear a mask. at least 18 children

our alex perez has been doing just that. and he just got to the university of arkansas. what does it look like there? >> good morning, sam. those strong straight-line winds kept many people up here in arkansas. those winds are responsible for knocking over this shed, this was that shed you mentioned that was protecting the horses. it came down on top of that trailer there. neither the horses nor people were injured in any of this. at one point, the winds were as strong as 60 miles per hour. now, as for that 17-year-old young lady that was electrocuted, after her house was struck by lightning, she is doing just fine this morning. sam? >> tough to see what happened until you get the daylight in. these storms will continue to march east. so it's another rough day of storms. we'll show you who gets it from tallahassee to new york city. >> all right, sam, thank you so much. >>> let's turn to josh elliott for the other developing stories. the big stock market surge yesterday. >> it was a roar. we're going to begin there with your money. the stock market. we're watching the dow