updates and watch at 11:00 as well. >> for all of us here at nbc 10 thanks for joining us. >> the news continues now with nbc nightly news. see you at 11:00. t test t on the broadcast tonight, new video of a deadly confrontation as police shoot a man on the streets of los angeles. what cameras captured and what by standers saw. another fire storm tonight over the use of lethal force. storm of controversy as the israeli prime minister arrives in washington to deliver a warning to america. are we about to make a bad deal with iran? how safe are the homes across so many floors across the country? big fallout after a bombshell report. wild weather. a whiteout at the beach in southern california as another winter blast moves across 30 states. and a survivor. that amazing rescue in midair. we'll hear from the sky diver paralyzed by a seizure while plunging to earth.

"nightly news" begins now. from nbc news world headquarters in new york this is "nbc nightly news." reporting tonight, savannah guthrie. good evening. tonight, the video of a dramatic and deadly encounter between police and a homeless man in los angeles. officers shot and killed the man after a violent scuffle captured by surveillance cameras, cell phones and body cameras worn by two officers. tonight, authorities are examining all angles to figure out if police made the right call in a split second or used excessive force. our report now from nbc's gabe gutierrez. a warning, video and audio are graphic. >> reporter: police responding to a robbery call in the neighborhood known as skid row wh the violence suddenly erupted. [ gunfire ] the videos posted on social media show lapd officers confronting a homeless man.

there's a scuffle. he's taken down and officers try to cuff him. next the sound of a taser. someone yells drop the gun. then -- [ gunfire ] at least five shots from three officers leaving bystanders and witnesses in shock. >> gun exchange. >> he didn't bother nobody. he didn't have no weapon. they just shot him. >> reporter: today, the lapd displaying enhanced still pictures said the man reached for an officer's weapon. >> this is an awful tragedy. but, you know the officers took on the face of it reasonable steps to avoid it. >> reporter: this is a spot where dennis horn took one of the cell phone videos. minutes before he says he captured these last images of the man known on the streets simply as africa. surveillance video from a nearby homeless shelter shows the suspect talking to police then entering his tent.

that's when officers draw their weapons. >> now, four officers -- >> reporter: scott rees is a former s.w.a.t. officer and expert on the use of deadly force. >> most of these situations are over in 2.53 seconds. and in that period of time you are going to be held to answer for years and years for those two 2.5 to three seconds. >> reporter: tonight, on skid row a makeshift memorial is growing. and so is the number of unanswered questions. police s suspect was not carrying a gun of his own. the officers involved in the shooting are now on paid leave, two of them have been wearing body cameras. and investigators here are now beginning to look at that video. savannah. >> gabe gutierrez in los angeles. thank you. could the footage help officers determine just what happened? across the country a growing number of officers are wearing them in the wake of high profile accusations of police misconduct. as tom costello reports now, the cameras can capture dramatic

evidence from a vantage point rarely seen. from an officer shot in albuquerque -- [ gunfire ] -- to a police shooting in oklahoma [ gunfire ] body cameras are becoming a critical eyewitness for police and those alleging police misconduct. departments including not just the lapd the nypd d.c. and seattle. >> place your hands behind your back -- >> reporter: las vegas police bought 200 after community demanded more accountability. >> we needed that support from the community. if this raises that then that's where we need to go. >> reporter: every uniformed officer is now required to video record every citizen contact. and police insist the cameras capture what a bystander with a camera might not see n. this training scenario only the officer can see the man has a gun. [ gunfire ] >> don't touch that gun or you'll be shot again!

>> reporter: nationwide cities d states are drafting new laws to ensure police can't delete or edit the video and most importantly to determine when the camera should be turned on. >> ideally from accountability the cameras would be on all the time. but that's not practical and would raise very intense privacy issues for the public and for the police officers. >> reporter: one big challenge is simply storing and managing vast amounts of video data how long video is kept depends on the case. a traffic accident just a few weeks, but a homicide investigation perhaps decades. already cameras have been used to discipline and exonerate officers. >> take care of yourself and be careful. thank you. >> we trust them and give them a gun and badge to do that. but this is a way to review what's happening if there's a complaint. >> reporter: and cameras advocates have a funny way of ensuring police and citizens are on their best behavior. tom costello nbc news washington. israel's prime minister has arrived in the u.s. at a tense and critical moment. the u.s. trying to get a nuclear

deal with iran to stop it from getting a bomb. and israel warning the u.s. a bad deal endangers its very existence. our chief foreign affairs correspondent andrea mitchell is in washington where the prime minister will make his controversial address to congress tomorrow. andrea good evening. >> reporter: good evening, savannah, prime minister netanyahu told reporters he's not trying to be disrespectful as he tries to lobby tomorrow against negotiations with iran. embattled at home and facing re-election in only two weeks, benjamin netanyahu tried to playdown his war of words with the white house, but said he cannot remain silent about a u.s. nuclear deal with iran. that he says would let iran get a nuclear weapon. >> i have a moral obligation to speak up in the face of these dangers whil to avert them. >> reporter: speaking to a powerful support group, america's pro-israel lobby, the combative israeli leader

previewed what he will tell congress tomorrow. >> american leaders worry about the security of their country. israeli leaders worry about the survival of their country. >> reporter: the administration's pointed response at the same moment john kerry in geneva was trying to close the deal with iran's foreign minister a deal the president believes would make the world safer, not more dangerous. >> there is a substantial disagreement in terms of how to achieve that. and what it boils down to is what's the best way to ensure that iran is not developing a nuclear weapon? >> reporter: the relationship between the two leaders at a new low. poisoned u.s. officials say by netanyahu's acceptance of a republican invitation to lobby congress against obama's iran policy. >> he's trying to kill the one thing that obama has that might redeem a weak foreign policy. >> reporter: some prominent no-shows tomorrow joe biden is in guatemala.

and almost 40 democratic house members and five senators will boycott. >> despite prime minister netanyahu's assertions obviously what's taking place is extremely partisan. >> reporter: speaks tomorrow to congress is destructive to the relationship president obama said tonight it has been a distraction, but in the meantime the negotiations with iran are going full speed ahead. savannah. >> andrea mitchell in washington thank you. the war against isis continues to play out on multiple fronts tonight. a new online threat against twitter has surfaced. a warning that the company's co-founder himself would be targeted. and we're seeing a major offensive against isis militants tonight by the same forces that ran from them just last year the iraqi army. we get the latest now from our chief foreign correspondent ri engel. >> reporter: the iraqi army with allied shiite militia finally on the offensive trying to take back a city isis has held since june. and not just any city they're

going for tikrit, saddam hussein's sunni hometown. it's a crucial test. success here would renew hope that it can defeat isis. but if tikrit becomes an ethnic blood bath shiite against sunni, iraq will be one step closer to all-out sectarian war. meanwhile, in london new details about the man once known as jihadi john. it turns out even as a student mohammed emwazi had friends grow up to become violent islamists including some who would die fighting for isis. >> he was deeply involved and deeply embedded with extremist circles in london long before he went to syria. >> reporter: and yet another turn in the propaganda war, an online threat against twitter co-founder jack dorsey and other employees of twitter which has been blocking isis' propaganda messages. the threat from an unknown source has been repeated on

accounts linked to isis. twitter says in a statement, our security team is investigating the veracity of these threats with relevant law enforcement officials. twitter has been taking down isis propaganda almost as quickly as the group has been posting it. apparently enraging isis. the group's followers posting online that your virtual war against us will cause a real war on you. savannah. >> all right. richard engel, thank you so much. tonight, tensions remain high in and around moscow one day after tens of thousands turned out to protest the killing of one of vladimir putin's most prominent critics, opposition leader boris nemtsov killed while walking on a bridge near the kremlin. the security camera footage has surfaced amid questions as to whether other cameras in the ar were working at the time of the murder. putin himself has announced he will personally oversee the investigation, which is now

under way. tonight, as we roll into march 18 days until spring the season of misery providing no letup as another storm barrels across the country. 30 states are under winter weather advisories yet again. a whiteout coast-to-coast. nbc news meteorologist dylan dreyer has our report tonight. >> reporter: enough is enough that's the feeling in boston today as residents woke up to more snow. bostonians like nanny nancy burns are fed up. >> it's frustrating. it's tiresome. it's become hard work just taking care of babies. >> reporter: the area punished by four major snowstorms in four weeks totaling nearly seven feet crippling mass transit. >> it's unreliable. i can't use it to get to school or to work. >> reporter: it's miserae from retail to restaurant. >> we've seen a 30% to 40% decrease in business. people just can't get here. they can't walk here. they can't park. it's been a tough winter. >> reporter: heavy snow is

triggering roof collapses across new england. in norwell, massachusetts, more than a dozen horses had to be rescued this morning after this barn caved in. icy conditions were to blame for pileups from pennsylvania to virginia to missouri. just today nearly 4,500 delays and 1,300 cancellations. some stranded this weekend for nine hours in dallas. february goes down as one of the coldest ever on record in chicago, cleveland, bangor maine and syracuse new york. in southport, new york the deep freeze froze the waves along the long island sound. even sunny southern california couldn't escape a winter storm. huntington beach and boardwalk covered in hail an inch deep today. while in boston many are hoping march brings warmer days and a lot less digging out. and tonight, again, 38 states are under some sort of winter weather advisory. in the upper midwest, in the northern plains tomorrow we could see blizzard conditions more because of blowing snow.

and then we are going to see this storm bring snow then ice, then rain to major cities like chicago. you'll see that during the day. then it spreads into the northeast as we go into tuesday night with accumulating snow before that changeover to ice and rain. then as we go into wednesday the storm clears out. we'll see a couple of showers up and down the east coast, rain showers. but baxter kentucky that's where we're going to see accumulating snow on the backside of this cold front. we could see as much as four to eight inches in kentucky southern ohio and west virginia. two to four inches in the northeast. that is going to put us very close, savannah to breaking that all-time record in boston. >> all right, dylan dreyer thank you so much. tonight, a surprising admission from pediatricians. a new survey found nearly all of them have been asked by parents to delay and space out the vaccines given to their children. and most of them agree even though that goes against expert advice and could leave children vulnerable to disease. doctors said they didn't want to lose their patients. today we also learned the

measles outbreak continues to spread. now 170 cases so far this year. a dallas nurse who survived ebola is suing the parent company of texas health presbyterian hospital accusing that hospital of failing to provide adequate equipment and training to staff dealing with the deadly disease and violating her privacy by releasing details on her condition. nina phan contracted ebola while caring for thomas eric duncan who died while being treated. she continues to suffer from body aches and insomnia and yet to return to work. new records the dow and s&p finished at an all-time high and the nasdaq closed above 5,000 for the first time since the dot com bubble burst. a lot still ahead, new concerns about the wood flooring found in so many homes across the country. a bombshell report has a major

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there is major fallout tonight for the company lumber liquidators accused of selling potentially unsafe products from china. tonight, the company is fighting back saying the flooring itself is safe. meantime though its stock is

taking a beating down 25% today. and as nbc's hallie jackson reports, a lot of worried homeowners are wondering what to do now. >> reporter:y and matt just spent $2,500 on new laminate flooring from lumber liquidators. they loved it until about 24 hours ago. >> it's never a good feeling to find out your kids are on a floor potentially making them sick. >> reporter: now they're upset because their flooring looks similar to a product featured on "60 minutes." "60 minutes" says it commissioned lab tests that found levels of form ald hide that exceeded levels. >> if it's toxic i wouldn't want it in my house. >> reporter: on wall street stock lost some $300 million in value today alone. >> it certainly has to be one of the worst days in lumber liquidators history. >> reporter: the company recently warned about betting

against the stock. false attacks to make money. >> we will vigorously challenge any false allegations. >> reporter: and today the company's challenging the testg condu for cbs calling the method improper saying its own testing is carefully documented and thorough. our products are 100% safe says the company. adding we stand by every single plank of wood and laminate we sell all around the country. we spoke with independent flooring consultant jim gould. how concerned should customers be right now? >> if they have a floor recently installed, i would go back to the supplier and ask the questions of how can i be reassure that had this floor is fine. >> reporter: they did. we're told their floor is fine but they're not convinced. >> i want to make sure that you know the place we're putting our children is safe. and that's what we thought we were doing. >> reporter: for now, it's more fallout for this flooring company looking at its bottom line bottoming out. hallie jackson, nbc news los angeles. and we're back in a moment with the surprise announcement today about one of the greatest sports superstars of all-time.

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the longest -- barbara mikulski announced she will not seek re-election. she will retire when her fifth term ends in 2015. she's now 78 years old was first elected to the house in 1976 and has served in the senate since 1987. forbes is out with its annual rankings of the rich and a familiar name holds the top spot. the magazine says bill gates' net worth rose to $79.2 up from $76 billion last year. he has topped the list by the way, for 16 of the last 21 years. forbes says there are now more than 1,800 billionaires including some famous newcomers to the list. among them nba legend michael jordan. we put the full list on our website. and a milestone to note

tonight. when it premiered 50 years ago on march 2,1965 "the sound of music" wasn't exactly an instant sensation with the critics. the reviews were decidely mixed. but in a decade since the movie based on the musical has become one of the most beloved family favorites. when we come back we will hear from the sky diver who suffered a medical emergency, lucky to be alive thanks to quick thinking in midair. and it was all caught on camera. oh yea, that's coming down let's get some rocks, man. health can change in a minute. so cvs health is changing healthcare. making it more accessible and affordable with walk-in medical care, no appointments needed and most insurance accepted. minuteclinic. another innovation from cvs health. because health is everything.

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finally tonight, the tail of the tape that has so many people talking today. a sky diver plunging to the ground unable to pull the cord and open his parachute after suffering a seizure midair. he was saved and now he's telling his story. nbc's katy tur has our report. >> reporter: 12,000 feet from the earth, the only thing between christopher jones and the western australian ground the courage to jump. as he had so many times before. 22 seconds into this dive he says he was suddenly paralyzed by a seizure. unconscious and falling at 120

miles an hour. instructor sheldon mcfarland shot toward him not wanting to rely on the emergency chute. it took two attempts to pull the rip cord. with 12,000 feet to go jones regained consciousness and managed to land. >> i said thank you for saving my life. yes. he couldn't have done a better job. it was just amazing. >> reporter: now mcfarland is being hailed as a hero. >> just doing my job. doing what we train other people. >> reporter: 22-year-old jones took up sky diving when his epilepsy ruled out his dream of becoming a pilot. seizure-free for four years, his doctors gave him the go ahead. >> i always wanted to fly planes or wanted the feeling of fly. obviously with my condition i can't pilot. so i thought next best thing i can fly myself. >> reporter: about 5 million people have clicked on the death

defying fall giving jones 5 million reminders to keep his feet on solid ground. katy tur, nbc news london. and that will do it for us on this monday night. i'm savannah guthrie. i'll see you bright and early tomorrow morning on "today." william shatner's no-show at leonard nimoy's funeral. his first words about all the backlash. >> now on "extra".."

captain kirk skips spoke's funeral. the nasty headlines, the truth today from william shatner himself. >> mr. shatner, just wanted to see if you had any comments. bruce jenner behind the wheel and on the phone. how many tny times he's been caught since his deadly car crash. plus is khloe kardashian replacing kelly osborn on "fashion police requests requests? howard stern grills heidi klum about her boyfriend. >> did he ask you to marry him? >> shush it. the first photo of leo and rihanna partying together and lady gaga and taylor kinney take the plunge. is britney getting hitched again in vegas? >> see you at the chapel one time with him you before in know. >> you never know. >> brit is opening up to paulie d. to her new romance to surprise regret. >> i don't know what the hell i was thinking. pluss mario and his little princess gia. >> i'm at the premiere of "cinderella" with my daddy. why so mean to cind