Their noses. Nightly news begins right now. From nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening, we begin with a story breaking here in new york city this evening. A horrific attack during the height of the rush in mid town manhattan that sparked fears initially it might have been terrorism. It involved a man with a meat cleaver who attacked two Police Officers andn as you can imagine, it all sparked panic on the crowded streets, sending hoards of people running from the scene near Madison Square garden and penn station. Nbcs rehema ellis has the latest. Reporter during tonights crowded rush hour, just blocks from new york citys penn station. You can see a lot of Police Activity going on down here. Reporter Officials Say two Police Officers were attacked by whats being attacked as a cleaver. One of them struck in the face. The officers fired at bustling commuter hub, wounding him. The two officers and the suspect were transported to a hospital, one in serious to critical condition. And the other two with injuries that do not appear to be lifethreatening. According to one Law Enforcement official, the fbi is sending agents from the joint Terrorism Task force to the scene as a precaution. This incident eerily 2014 attack on an nypd officer in queens. Zale thompson attacked four officers with a hatchet, striking one in the head. Thompson was shot dead by police and all of the officers survived. Still, this most recent incident once again triggers fears about lonewolf attackers. The primary concern of the government is going to be the motivation behind the was he inspired, was he motivated, was he working with anyone else . Reporter and late this evening, Law Enforcement officials identified the suspect as a man from queens named akram joudah. Law enforcement is investigating his record and his motive for the attack. Lester . Rehema, thank you. Now to a Major Development in the samsung phones that the company says can spontaneously catch fire. The Consumer ProductSafety Commission says the fire risk is so great, it is ordering an official recall of one million Samsung Galaxy note 7 smartphones. This turns up the pressure after the own. Nbcs tom costello has late details. Reporter now under official recall, the phone blamed for dozens of fires, destroying a garage in south carolina, gutting a jeep in florida. They present a pretty serious risk of fire and especially if that phone ends up near something combustible, you can have death or serious injury. Reporter in the nations skies it has been known to cause fires and were trying to avoid any possibility of that happening on the will likely ban the use of the phones on board planes. It was two weeks ago samsung issued its own recall. Which critics blame for causing consumer confusion. Samsung did something that no company that is selling products in america should ever do. They did a product recall without the cooperation of the Consumer ProductSafety Commission. Reporter even today nbc news found several galaxy note 7s for sale online. We apologize, especially to those of you who were personally affected by samsung said its already bought back 130,000 phones. Replacements should start arriving wednesday. The danger comes from the phones lithium ion batteries that operate at a very high four volts. If theyre overcharged, or if theres a short due to a manufacturing defect, it can generate tremendous heat. If it gets warm enough, youll engage into whats called thermal runaway. Meaning theres nothing you can do. That batterys going to go off. And all of a sudden your pocket. Reporter now investigators are looking at other fires allegedly involving different samsung models. A child burned handling a galaxy cord. A car gutted tuesday after a different galaxy 7 caught fire. Todays official recall means its illegal to sell the note 7 even second hand. Samsung is offering replacement phones with certified batteries or full refunds. Customers can go to samsung. Com, type in your serial number for details. Lester . You. To president ial politics and Hillary Clinton back on the campaign trail today after she was sidelined with pneumonia for four days. Shes returning to a tightening race with a new poll showing her now leading donald trump nationally by just two points, within the margin of error. For more, we turn to nbcs andrea mitchell. Reporter tonight Hillary Clinton, appearing for the first time in public since sunday. How are you doing . How are you feeling . Im doing great, trail in battleground north carolina. Its great to be back on the campaign trail. Even i had to admit that maybe a few days of rest would do me good. Reporter clinton, who revealed her pneumonia diagnosis after that near collapse on sunday, now appearing fine. No coughing spells during her 23minute speech. And taking shots at Donald Trumps new childcare plan. We dont need a president who thinks only married people deserve paid leave, and only mothers ever stay home with the kids. Ep facing questions over why she did not notify her running mate about her pneumonia diagnosis for two days. Can you expand on how often you talk. I communicated with tim, i talked to him again last night. Reporter clinton is returning to a race where her big lead over the summer has now disappeared. A new National Poll showing among likely voters, clinton is up by just two points in a twoway race. In a fourway race, clinton and trump are tied. Earlier today, clinton making a pitch to tom joyner radio show. He has incited violence and he has been more than willing to align himself with the socalled altright. Reporter and getting back up today with a sharp attack from the top senate democrat. Trump is a human leach who will bleed the country and sit at his golf resort laughing at the money hes made. Reporter now some democrats wondering how much her time off the trail has cost her. Any time youre off the campaign trail for four days, its something you wish shes back on today, she looks strong. Reporter clinton aides say in the home stretch, every day matters. Thats why shell be blanketing battleground states like north carolina, pennsylvania, and ohio. Lester . Andrea, thank you. Donald trump meanwhile is facing new pressure from inside his own party after the most powerful republican in congress, House Speaker paul ryan, joined the chorus of those calling for trump to release his son defends himself over remarks some jewish groups found offensive. Lets get more from nbcs katy tur. Reporter a renewed call for trump to release his tax returns, this time by the head of the republican party. I released mine, i think we should release ours. Ill leave it to him when to do it. Reporter paul ryan responding to questions after Donald Trump Jr offered yet another explanation for why trump isnt releasing those returns. Because hes got a 12,000page tax return. W auditors out of every person in the country asking questions that are going to distract from his main message. Reporter a new poll shows 75 of likely voters say trump should release his tax returns, including 60 of republicans. Later in the day, don jr caused an entirely different distraction when he said this about the media giving Hillary Clinton a pass on what he called lies. If republicans were doing that, theyd be warming up the gas chamber right now. Tweeting trivialization of the holocaust and gas chambers is never okay. Trump jr said he wasnt talking about the holocaust and said he also makes the same point, usually using the electric chair. All while donald trump was in his own controversy over this. A pastor interrupted him at a church in flint, michigan, yesterday. Now Hillary Clinton mr. Trump, i invited you here to thank us oh, okay. Not give a political speech. Ha pastor had it out for him. She was so nervous. She was like a nervous mess. So i figured something i figured something was up, really. Reporter Hillary Clinton seizing on it. She deserves better than that, and flint deserves better. Reporter it all overshadowed trumps economic speech today where he predicted a 4 growth rate, touting his tax plan, but neglecting to mention two major changes. Adding a cap to personal deductions we cannot grow at 4 unless theres huge productivity improvements, but nobodys expecting that right now. So we certainly cant count on it. Reporter donald trump is trying to lay out policy, but his plans keep getting drowned out by daily if not hourly controversies. Often crass fights with individuals. Now hes telling jimmy fallon that he is trying to stop saying shocking things. Lester . Katy tur, thank you. Tonight, are pleading for calm after an officer responding to reports of an Armed Robbery, shot and killed a 13yearold African American suspect. Investigators say during a chase, the boy pulled a bb gun that looked very much like a real gun. Ron mott has more. Reporter a 911 call detailed the drama, an Armed Robbery on wednesday night. This man just had a gun on this white dude short case, a responding officer opened fire on one of the suspects when he reached for a gun. Today Police Confirmed that 13yearold tyre king was shot at the scene and killed. And that weapon authorities recovered was a bb gun, similar to this one. Bearing close resemblance to real Service Weapons used by columbus police. A second suspect confirmed to local media that king was involved with the robbery. The officer involved who is white, has been identified as brian mason, a nineyear veteran on the force. He was cleared of wrongdoing in another fatal shootiro policy. Thats why he was out there. Because he still has that great record. This is not something that were going to take lightly with regard to his future. Reporter tyre kings death generated immediate comparisons to that of 12yearold tamir rice, killed by Cleveland Police while also carrying a toy gun, setting off nationwide protests. According to the washington post, since the start of 2015, Police Across the country have been involved in at least 60 deadly shootings of why is it that a 13yearold would have nearly an exact replica of a Police Firearm . Reporter columbus Officials Say theyve reached out to community leaders, urging for calm and patience while the investigation continues. Meantime, kings family has retained a law firm to conduct a separate probe. Its about actually making sure that we have transparency in these investigations and that we find out the truth. Reporter ron mott, now to an nbc news investigation, revealing a major security concern at airports across the nation. The tsa relies on k9 units as one of its best lines of defense to keep explosives from getting on planes. But as Scott Freedman from our dallas station, kxas, found out, there are dozens of k9 teams with troubling failures on their records. Reporter at big airports, Security Officials count on k9s to sniff out explosives, checking dogs have always been considered the Gold Standard in explosive detection. So when youre considered the best, you better be the best. Reporter but tsa records obtained by nbc news, show more than 50 times tsafunded dog teams failed certification tests at ten u. S. Large airports from january 2013 to june 2015. The most recent numbers available for airport, records show k9 teams failed ten times in that period. At love field, four tests failed. 21 tests failed at l. A. X. In los angeles. The records show some teams failed to find explosives. Others had too many false alarms that could lead to unnecessary airport evacuations. Teams that fail are not allowed to work in airports again until they can pass. In l. A. , airport Officials Say all teams passed more recent tests. Humans are every single day for a hundred percent compliance. Reporter nationwide, tsa says newer numbers show improvement. A 93 passing rate in the last six months of 2015. Right now just eight failed teams are on the sidelines. Experts tell us k9 teams are more likely to fail if they neglect training time. Its conditioning. You cant tell them how to do it. Its just repetition to them. Reporter a 2013 congressional investigation found some k9 teams were repeatedly not in compliance with tsas monthly training requirement. Since then, tsa has launched a new program to hold teams more accountable. Trying to keep the top dogs at the top of their game. You dont get a doover in real life. If that team misses a explosive device, thats a device that can end up on an airplane. Reporter Scott Freedman, nbc news, dallas. Still ahead tonight, how a young woman kidnapped was able to lead police to the house where she was being held, and the shocking discovery happier times. Before relationships didnt work out. Well see now how you can see them in a museum of bittersweet were back now with the harrowing story of a young woman who was abducted in ohio and was able to call for help as her kidnapper lay sleeping next to her. That call captured on a 911 recording. And as Miguel Almaguer reports, what police shocking. 911 what is the address to your emergency . Reporter the 911 call came in just before 7 00 a. M. A chilling cry for help that could only be a whisper. Who abducted you . Shawn grate. Reporter the unidentified kidnapping victim knew her captor. The suspect, 40yearold shawn grate, asleep in the same room within earshot of the caller. Where is he sleeping at . In the bedroom. Im in the bedroom with him. Reporter the victim able to guide police toward this abandoned home in ashland county, ohio. You dont know what color the house is . No. Please hurry. Reporter the victim feared she was running out of time. Are you tied up now . Well, i, yeah, but i kind of freed myself. Reporter for 18 harrowing minutes, she stayed on the line. How much longer . No. Okay, theyre in the area. Police would find the home just in time. Oh, [ bleep ], woke him up. Reporter officers storming in. Come on out, come on out. Reporter the bodies of two other women were later found inside. A third discovered at another abandoned property. Relief for neighbors. I am so happy that hes caught. Reporter tonight multiple counts of murder, because of one brave woman making the most important call of her life. Miguel almaguer, nbc news. Absolutely chilling. When we come back, follow the bouncing ball. How this giant menace caught on camera got im Hillary Clinton and i approve this message. I know more about isis then the generals do. John mccain, a war hero. Hes not a war hero, hes a war hero because he was captured. I like people that werent captured ok. Donald trump compared his sacrifices to the how would you answer that father . What sacrifice have you made for your country . I think ive made a lot of sacrifices, built great structures. Ive had tremendous success, i think. Those are sacrifices . Heres something you have to see to believe. What is that giant thing rolling over streets and cars in the middle of a city . Balloon replica of the moon that was on display at a festival in china. But high winds from typhoon meranti knocked it loose and sent it tumbling. Fortunately no balloonrelated injuries are reported. Something you might want to keep in mind before you book your next flight, for the second year in a row, Alaska Airlines was ranked the best Domestic Airline by consumer advocates. Its based on canceled flights, mishandled bags, and ontime arrivals. Delta and jetblue round out the top three. His habit was well known. John boehner is a smoker is made no apologies for it. So perhaps his new job is fitting. Hes joined the board of tobacco giant reynolds american. His spokesman notes the company is trying to speed the decline of tobacco use among young people, a goal boehner supports. When we come back, well stop by a most Unusual Museum that los angeles, you can do what many tourists do check out hollywood, lets say, or sunset boulevard. Or you can stop by a museum in which art really does imitate life. Including the parts that some of us would rather forget. Our guide tonight is joe fryer. Reporter as far as museums go, this could be the smithsonian of sorrow. The louvre of loss. They call it the museum of broken relationships. About how many items do you have here . We have 105 items on display in the reporter each one tells a story. Sure youll find the standards, love notes, and poems and fluffy gifts from relationships that didnt last, but theres more. This is like your mona lisa, right . I think so. Reporter like the Wedding Dress from a failed marriage, stuffed inside a pickle jar, or the envelope of leaves shipped from a boy in canada to a girl in california. Being a california girl myself, i also in southern california. I think people find it very, very engaging. Reporter john quinn opened this museum in hollywood after seeing something just like it in croatia. This is really different than anything ive ever seen. Its very powerful. Reporter hes found plenty of donors. These wedding cake toppers came from Alison Bennett after her sixyear marriage crumbled. I was like, oh, finally theres a place where all of my sad broken memories can have a happy home. Reporter she even visited the museum with her new ah, its cute. Reporter thats right, some visitors drag their dates here. Yeah, i was wondering if she was trying to tell me something. About a quarter of the way through, its like Holding Hands a little bit more tightly, then its arms. By the time theyre leaving, theyre making out, or theyre like complete pretzels. Reporter turns out, it might be the Perfect Place for unbroken relationships. Joe fryer, nbc news, los angeles. A real heartbreaker. Thats going to do it for us on this thursday night. Goodnight. Right now on news 3 li ve at 6 00 a serial robber terrorizing local businesses. Several in a matter of weeks, in fact. After months of back and forth of the proposed stadium to bring the raiders to las vegas moves forward. The mayor of oakland says she wont lose the team without a fight. When you are going inside of the business and threatening people for money and electronic devices, that pose as business. A serial robber is on the loose. The thief has sit seven stores in the past couple of weeks. Im reed cowan. Im marie mortera. The robberies have happen near rainbow and charleston. Business owners say the criminal has terrorized them. The crime spree is our top story. News 3s Antonio Castelan joins us live outside of the latest store that was robbed. Antonio . Reporter marie, surveillance caught the robber roaming outsided of this at t store. He hit it during broad light. Some of the Business Owners fear he could strike again. This Surveillance Video taken just this week inside an at t store near rainbow and charleston appears to show a robber getting ready to make his move. Then going in. Metro police say in the past couple of weeks, this bearded thief has sit seven businesses. Goes in there, threatens employees with a note and takes electronics an cash