parents, lock your doors. "nightly news" begins right now. from nbc news world headquarters in new york, this is "nbc nightly news" with lester holt. >> good evening. there will be no troop movements or a single shot fired, but nbc news has learned exclusively that the united states is poise said for an unprecedented retaliatory assault against russia in response to its interference in the u.s. election. tonight, high level u.s. intelligence to us details of a cia-led cyber retaliation against russian commuter systems. and it could get personal, targeting the russian leadership from putin on down. who the u.s. accuses of sponsoring attacks meant to undermine the u.s. presidential election. >> reporter: nbc news has learned the cia is in the initial phase of a wide-ranging designed to be both clantestine and embarrassing. sources with direct knowledge of the operation tell us the target, the kremlin leadership, particularly vladimir putin. if ordered by the white house, the cia could manipulate things as specific as the banking account and personal phone of the kremlin leadership. >> there's a great deal of offshore money that has moved out of russia through the hands of oligarchs. it would be extremely embarrassing if that way to have a proportional response to what we have seen. >> reporter: the covert operation, the sources tell nbc news, is being run by a super secret group inside the cia. top secret documents indicate they have a staff of hundreds and a budget in the hundreds of millions. the covert operation is designed to send russia a signal to back off. how does it work? u.s. cyber operatives have long been active cyber doors the russians work hard to secure. feeding information back to cia headquarters at langley. inside langley, cia super hackers use that information to direct drones and specialize low-flying satellites over russia, and even submarines positioned off the russian coast. a former senior intelligence official tells nbc news, he believes the u.s. response to the russian hack should be overt, for everybody to see. and that itho include a persuasion campaign designed to inform the russian people about putin. >> if you publicly accuse someone and don't follow it up with a response action, that may weaken the credible threat of your response capability. >> shaun kin okay was the senior u.n. intense official responsible for analyzing russian cyber capabilities. >> you're seeing it play out between two long-time chess players in this field. it in the cyber era. >> unless we stand up to this kind of cyber attack from russia, we'll only see more and more of it in the future. >> but tonight while the cia continues to lay the technical ground work, we're being told that there are deep divisions at the top of the obama administration about whether to proceed and there are other options being considered. this mission cannot go forward without an order from the president. tonight, thank you. more breaking news this evening and more accusers coming forward to say they were sexually assaulted by donald trump. one of them a former contestant on "the apprentice." and trump lashing out again today, continuing to allege a conspiracy, calling his accusers liars, even appearing to question one of their looks. we want to warn parents, sbh of the language in this report is of an adult nature. let's get details starting with nbc's stephanie gosk. >> reporter: today, the latest donald trump accuser. >> he grabbed my shoulder and began kissing me against very aggressivively and placed his hand on my breast. >> reporter: in 2007, she said she was looking for a job after competing in season 5 of "the apprentice." >> as i was about to leave, he again kissed me on the lips. this made me feel nervous and embarrassed. >> reporter: later, zer vos agreed to meet trump again in california. embrace and i tried to push him away. i pushed his chest to put space between us and i said, come on, man, get real. he repeated my words back to me, get real, as he began thrusting his genitals. >> reporter: the former reality tv contest ant felt she had to come forward after hearing trump on that hot mike from 2005, which is also by kristin anderson said she told "the washington post" her early '90s in a new york city club. the person on my right, who unbeknownst to me at the time, was donald trump, put their hands up my skirt. he did touch my vagina through my underwear. >> campaign spokesperson hope hicks responded. mr. trump strongly denies this phony allegation by someone looking to get some free publicity. it is totally ridiculous. nbc news has not been able to independently verify either accusation trump responded to zer vos saying i never met her at a hotel or greeted her inappropriately a decade ago. in fact, miss zer vos continues to con tangt me for help, e-mailing me on april 14th of this year, asking that i visit her restaurant in california. stephanie gosk, nbc news, new york. >> reporter: this isicatory tur. >> they justice come out. some are doing it for probably a little fame. >> reporter: in greensboro, north carolina, donald trump spending ten minutes denying. >> they are all false. they're totally invented, fiction. all 100% totally and completely fabricated. >> reporter: and insulting. >> believe me, she would not be my first choice, that i can tell you. man! you don't know. that would not be my first choice. >> reporter: now he's suggesting someone accuse president obama of sexua some woman maybe come up and say what they say falsely about me, they could say about him. he better be careful because they could say it about anybody. >> reporter: the republican nominee promised evidence to prove his innocence. his running mate, even saying it's coming today. >> it's coming frankly probably in a matter of hours. >> reporter: but so far nothing, except another carlos slim. >> carlos slim, as you know, comes from mexico. he's given millions of dollars to the clintons and their initiative. reporters at "the new york times," they're not journalists, they're corporate lobbyists for carlos slim and hillary clinton. >> reporter: trump diving head first into the politics of fear, warning of a shadowing global network involving the government, the banks, and the media. rhetoric that has been used against j the anti-defamation league. at his rallies, his supporters are buying in, today, putting a protester in a head lock and growing increasingly angry at the press. meanwhile, president obama was on the stump for hillary clinton earlier today, criticizing trump hear fist populist overtone. >> suddenly he's going to be the champion of working people? come on! come on, man! >> reporter: that evidence that donald a man who says he was on the flight with jessica leeds and trump, and that that assault never happened. he says he knows this because he has a photographic memory. meanwhile, the campaign provided no other credible evidence to back up his claims. lester? >> katy tur, tonight, thank you. there's late word this evening from the faa issuing an emergency order banning all samsung galaxy note 7 phones from all u.s. flights. the fear is, the p being produced by samsung, poses an urgent fire risk on board planes. tom costello has the developing details for us. >> reporter: the emergency action takes effect tomorrow morning. the galaxy note 7 banneda all flights. no carrying one on board, not in checked luggage and not in a carry-on bag. airlines must deny boarding to any passenger who has one. and passengers who try to smuggle a note 7 on board could face a fine. >> it has been known today, passengers only had been told to keep the note 7 turned off. >> the root problem with lithium ion batteries is that there's a lot of energy stored inside a tiny little device. >> reporter: reachers at underwriters laboratory recently demonstrated to nbc news the risk posed by exploding batteries. so far more than a hundred fires involving the note 7, including a fire on this southwest plane last week. an on-board fire could take out critical flight systems. >> if youe can actually cause a catastrophic situation for the crew who may not be able to control the airplane. >> reporter: now with some airlines adding fire bags to smother battery fires and ups and fedex refusing to ship the note 7 by air, an emergency order banning the phone on all u.s. flights. tom costello, business news, washington. let's turn now to north carolina. the flood waters are cresting, but it's far too late for several commrunts already under water. nbc's miguel almaguer took an exclusive tour, in one of the state's hardest hit towns. it was devastated 17 years ago and now faces another long road to recovery. >> reporter: in princeville, north carolina, this small town is sinking in sorrow. the signs that paint its rich history are bobbing in the settled by free slaves after the civil war. cherished pictures and historic buildings are drowning in the deluge. governor pat mccrory took us by helicopter to see the catastrophic damage. but to find the sunken city, you also need a boat. up to 12 feet in some areas. and there's no sign standing still here. >> some of the people suffering are the people that can least afford to suffer because they have nothing. >> reporter: the mayor says this poor community, rich in culture, will rebuild. still tonight some worry this historic town may become history after this flood. miguel almaguer, nbc news, princeville, north carolina. delta airlines is being hit with accusations of discrimination after a medical emergency aboard a flight. a african american, offered her help, but says a flight attendant refused to believe she was a physician. the doctor turned to social media where the outrage is only growing. nbc's rehema ellis has details for us. >> reporter: tamika cross, a 28-year-old houston doctor, was midway through her delta flight from detroit to minneapolis when she says she heard someone screaming for help for a sick passenger. she offered assistance, but she response prompted her to write a facebook post that has since gone viral. >> she immediately replied, you know, saying, oh, no, sweetie, put your hand down, you know, we're looking for physicians, or nourss. >> reporter: dr. cross claimed the flight attendant asked her several questions and wanted to see her credentials, but when an older white male doctor approach, dr. cross said his help was immediately accepted. she wrote, i'm sure many of my young corporate american working women of color can all understand my frustration when i say i'm sick of being disrespected. the experience dr. cross described is not reflective of delta's culture or of the values our employees live out every day. tonight, delta says a full investigation is under way. rehema ellis, nbc news. still ahead as we continue here tonight, the fbi manhunt for a the victim's young children targeted in their homes. now authorities are asking for the public's help. asking for the public's help. also, the coveted man: i accept i'm not the deep sea fisherman i was. i accept i'm not out on the ocean wrestling marlin. i even accept i have a higher risk of stroke due to afib, a type of irregular heartbeat not caused by a heart valve problem. but i won't go after anything with less than my best. so if i can go for something better than warfarin, i'll do that too. eliquis. eliquis reduced the risk of stroke better than warfarin. plus, it had significantly less major bleeding than warfarin. eliquis had both. that's what i wanted to know. don't stop taking eliquis unless your doctor tells you to, as stopping increases your risk of having a stroke. eliquis can cause serious and, in rare cases, fatal bleeding. don't take eliquis if you have an artificial heart valve or abnormal bleeding. while taking eliquis, you may bruise more easily. seek immediate medical care for sudden signs of bleeding, like unusual bruising. eliquis make increase your bleeding risk if you take certain medicines. tell your doctor about all planned medical or dental procedures. i may not be going for the big one, but i'm still going for my best. and for eliquis. reduced risk of stroke, plus less major bleeding. ask your doctor if switching to eliquis is right for you. is that ice-t? nope, it's lemonade. is that ice-t? lemonade. ice-t? what's with these people, man? lemonade, read the sign. lemonade. read it. ok. ng. what's not surprising? how much money marin saved by switching to geico. yo, ice-t! it's lemonade, man! fifteen minutes could save you fifteen percent or more. we're back now with an urgent manhunt for a suspected serial attacker on the loose, targeting children, right in their own bedrooms. it's happening in ohio. there are few clues, and the fbi is tonight. as nbc's kevin tibbles tells us. >> reporter: a mother's plea for the return of her 6-year-old daughter. >> i would give my life if they can find her. >> reporter: snatched from her own home in cleveland last may. found 17 hours later after having been assaulted. >> he made her ride in the floorboard of the car, so she was not able to see where they were going. >> reporter: now the fbi says it fears a serial child abductor may be on the prowl and are circulating these surveilnc months earlier, just miles away, another ohio girl, aged 10, managed to escape her attacker. >> it's the worst feeling in the world having your daughter scream at you at 3:00 in the morning that someone's trying to take her out of her bed. >> reporter: investigators say forensic evidence matches and are intensifying their search of this chevy malibu. they also say the parents to take precautions. >> it's really important for parents to know who their kids are talking to, know what information is being posted. we lock our doors at night, about you we sure do put a lot of information on the computer. >> reporter: soliciting the public's help in the hunt for a predator before another child is harmed. kevin tibbles, nbc news, chicago. we're 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(1940s aqua music) talk to farmers. we know a thing or two because we've seen a thing or two. ? we are farmers. bum-pa-dum, bum-bum-bum-bum ? impressive linda. it seems age isn't slowing you down. but your immune system weakens as you get older increasing the risk for me, the shingles virus. i've been lurking inside you since you had chickenpox. i could surface anytime as a painful, blistering rash. and that's why linda got me zostavax, a single shot vaccine. i'm working to boost linda's immune system to help protect her against you, shingles. zostavax is a vaccine used to prevent shingles in adults fifty years of age and older. zostavax does not protect everyone and cannot be used to treat shingles or the nerve pain that may follow it. you should not get zostavax if you are allergic to gelatin or neomycin, have a weakened immune system or take high doses of steroids are pregnant or plan to become pregnant. the most common side effects include redness, pain, itching, swelling, hard lump warmth or bruising at the injection site and headache. it's important to talk to your doctor about what situations you may need to avoid since zostavax contains a weakened chickenpox virus. remember one in three people get shingles in their lifetime, will it be you? talk you to your doctor or pharmacist about me, single shot zostavax. a heads up tonight for anyone getting a passport. no glasses allowed under a new rule which goes into effect november 1st, all new passport applicants will be required to take their glasses off before taking passport photos. the state department says more than 200,000 customers submitted poor quality photos last year, most of them due to glares and shadows, you guessed they're young, many have never voted before and they may hold the outcome of the 2016 election in their hands. we look at weather millenials will be drawn to the polls by marijuana motivation in our new series, red, white and you. >> this is a voter registration booth. normally you'd see one at a college campus at the dmv, but this is a medical marijuana dispensary in las vegas. have you seen a lot of people registering to vote here? >> yes, absolutely. >> reporter: wit nevada, the state's -- >> you get a sense that people are registering because they want to vote for marijuana, for president, or both. >> i feel like if people aren't interested in the presidential election, they're interested in making sure question two passes. >> reporter: first time registering? >> first time i actually feel like it matters. >> reporter: according of young voters support marijuana legalization. and that has david goldwater seeing multiple shades of green. >> very walter white. >> breaking green. >> breaking green. >> reporter: all of this marijuana, everything around us, under this medical marijuana laws of nevada currently, is completely legal. >> it's legal in the state of nevada. >> reporter: if recreational marijuana is legalized in neva those people too? >> hopefully. >> reporter: in a state where the presidential vote is neck and neck, clinton and trump are hoping if are a share of the weed vote. you're voting for weed. are you going to vote for president this time around? >> i'm unsure. >> are you going to vote for legalization? >> yes, i am. >> are you going to vote for president? >> yes. >> who are you going to vote for? >> gary johnson. my mother is very adamant about me voting for hillary clinton. >> reporter: which candidate wins the in nevada will remain hazy until election day. jacob soboroff, nbc news, las vegas. when we come back here tonight, dylan, mccartney, the stones and more. the music festival where d youon't have to be young to rock out. >> red, white, [tv debate chatter] alexa, ask kayak how much is a one-way ticket to canada. when would you like to fly? now. [toy robot noises] roboboy 3000 to the rescue! okay. ugh. alexa, ask uber for a ride. [crash] okay. i had that dream again -- that i was on the icelandic game show. and everyone knows me for discounts, like safe driver and paperless billing. but nobody knows the box behind the discounts. oh, it's like my father always told me -- 0, but who's gonna save me? [ voice breaking ] and that's when i realized... i'm allergic to wasabi. well, i feel better. it's been five minutes. talk about progress. [ chuckles ] okay. talk about progress. [ chuckles ] why do people count on sunsweet amazin prune juice to stay fit on the inside? it's made only from prunes, nothing else. it's a natural source of fiber and five essential vitamins. amazin prune juice and amazin prune light. from sunsweet, the feel good fruit. thanks for doing this, dad. so i thought it might be time to talk about a financial strategy. you mean pay him back? so let's start talking about your long term goals. knowing your future is about more than just you. whos young people should have all the fun at rock concerts? it's a new festival that's a smash hit with the older crowd. the line-up, including six legendary acts proving they still know how to rock, and so do their fans. here's joe fryer. >> reporter: if all the world really is a stage, then california's desert must be the grandstand. this weekend, just like last weekend, the arid air will be filled with sounds from the rolling stones. ? ? >> reporter: paul mccartney and the who. music legends joining forces officially for a festival called desert trip. >> we're the young ones. >> reporter: as old chela. >> i believe this is the biggest concert since woodstock. >> reporter: in fact for many, this is when woodstock occurred and i was fascinating by that whole concept. >> reporter: neil young, roger waters and bob dylan round outhe t line-up, six acts powering a party projecting to gross $150 million. >> they raised the bar on what a festival can be. it doesn't have to be 75 acts, three days, 13 hours a day. >> reporter: and for all the jokes about rockers with walkers, this is actually a show for babies and boomers. >> we saw everything from 8 months old to 80-plus. >> it brings me great memories. >> reporter: this music helped her learn english and now it's helping her family as she battles family. >> the world around us just melted away, and we just have the freedom to rock. >> reporter: it's the who, who famously sang i hope i die before i get old. yet here at old chela, earth. joe fryer, nbc news. that's going to do it for us. i'm lester holt. for all of us at nbc news, thank you for watcshouldn't be doing stuff that" a local reserve officer seen in this picture apparently pulling down his pants and pointing a gun towards a hillary clinton sign. plus.. one person is dead after driving into a tree --causing the car to burst into flames. and.. an area sheriff's deputy facing charges --accused of having a "you're watching kwwl, we've got you covered. this is the news at six." and i'm ron steele. thanks for joining us. a social media post of an oelwein reserve officer is drawing some attention. this picture was posted to facebook earlier this week. the daily oelwein register is reporting this is an oelwein reserve officer --with his pants down pointing a gun at a hillary clinton sign. kwwl's elizabeth amanieh has more. "i spoke with people on both speech, while others say it's just taking it too far." the talk of the town in oelwein? this picture. surfacing on social media-shows a man with his pants pulled down- pointing a gun at a clinton-kaine poster. the oelwein daily register reporting the man in this photo is oelwein reserve officer jay perkins. the town of oelwein- split on how they feel.