chickenpox, one statworst in 20 years. the epicenter a school where ma kids aren't being vaccinated. the first store selling recreational president in eastern u.s. about to open their doors. we'll take you inside. >>> the price you pay for the mecine you need and a drug company about to raise prices on dozens of prescriptions, is yours one of them? >>> a terrifying crash caught on camera, a oiaarce ng g c 71 flying through the air. how the driver amazingly survived. what she is saying tonight. >> announcer: this is bc nightly news" with lester holt. >>> good evening, everyone. we start with breaking news from chicago niwh ire inside a pstened f hospital late this afternoon. earlreports describing multiple victims including a police officer. it happened at thety mercy hospital just south of downtown chicago. nbc's kathy park is there with late details. >> reporter: tonight, panic on chicago's south side. >> just turned and started running. security was trying to direct us into rooms k and told us to l the doors behind us. it was chaos. r >>eporter: dozens of first responders flocking to m

long-term effects from vaping. >> the five ma chemicals we found are either shown to be cancer causing or erthought to be ca causing, either in humans or animals. >> reporter: dr. mark ruben stein at the university of california san francisco was the chemical levels in kids who said they use e-cigarettes. >> even the fact these were lower levels is still concning. we don't know these kids will continue to use for many years, sh buld they, we expect to see some of these same negative outcomes we see with cigarettes. >> repter: juul labs is valued at $16 f illion. chieministrative officer ashley goul concedes they only have three years of data on their product. is it irresponsible to put a product out there for adults or anybody to purchase if long-term effects. >> the context is incredibly important this product was put duout there for an that uses a product that kills half of them. >> reporter: there is the problem, the isroduct good for adult smokert good for kids. you don't want anybody to think the kids juuling are equal to the adults. >> we need to protect kids from acss an

two elite navy seals and ma twne raiders for allegedly strangling a green beret to death in 2017. nbc news pentagon he shocking crime. >> reporter: navy prosecutors say logan leep when four fellow special operators burst into his locked room, bound him with duct tape and put him in a choke hold thakilled him. the mission was to train local forces to fight al qaeda terrorists but turned on their owne vy accuses the two seals and the two marine raiders of first driving to their house for the duct tape and then killing e -year-old green beret while perpetrating a burglary. initially, navy seal tony dedolf said they were wrestling and mathews joined in and one seal said he choked him out to get back at him for a perceiveslight. the four are also accused of conspiracy and obstruction of justice. >> this type of behavior is unacceptable. the largest special op should not be judged by the actions of a teew. >> rep they face the potential of life in prison. hans nickels, nbc news. >>> new developments tonight after the arrest of stormy l aniels' lawyer michenatti on suspicion of domestic

and had no plans to travel there. cohen says he e-ma demetri and talked on the phone with one of his aids0 minutes. cohen said today he did talk to trump campaign officials about going to russia and suggested mr trump could go the there to pursue the project after becoming the republican party's nominee for president in mid july. cohen said today the deal was abandoned june 14th, which is the same day "the washington post" reported that russians hacked into democratic computers. in court, cohen said he made these misstatements to be consistent with mr. trump's political messages and out of trump. in a court filing, special counsel robert mueller said trump lied tcongress in hopes of limiting the on going russian investigations. >> obviously, this is a significant plea and statement. it means that when the president was g representing dur the campaign that he had no business interest in russia, that that wasn't true. reporter: other than cohen's lies to congress, today's charges don't allege illegal conduct. there was nothing illegally about the trump organization trying to get a

lip sync, ma 's apologizing and smaller parades across the country in vermont, a turkey trot in the snow. in the season of giving, door to door deliveries in houston. >> you'r12-pounder turkey. >> reporter: turkey talk in chicago more than 30 years butter ball helping prepare the bird just phone call away. two cars separated bound for new york n laight, no ries but a long delay. here in new york, despite e blustery wind and bitter cold, another successful celebration ringing in the holiday season ron allen, nbc news, new york. >>> let's turn to dylan eyer tracking the holiday weather for us tonight. good evening. g, >> good evenate. we got some brutally cold temperatures ho working in for early morning shoppers on friday. we're looking at a windchill of nine in new york city. it will feel like two below up in portland, maine and rodchester three below. through the afternoon high temperatures will stay below freezing. it gets soggy through the middle of the country and mountain snow on friday. saturday pushes eastward a little bit across the rockies and plains and gets ve sloppy thro

. >> reporter: oh, look, what finally arrived, it's a new star for the rockefeller centerri mas tree.ye s, some assembly required for the 70 spikes and led lights that illuminate 3 million crystals. >> it weighs 900 pounds. its diameter is more than 10 feet in si. it's a huge object. >> reporter: daniel is e star's creator. he's the energetic architect of dozens of old buildings around the globe including the neworld trade center. the star for this tree, not the easiest commison. so when it comes to something like this, though, so many millions and million p ple over time will see this star. what is your aim? what is your purpose? >> it's a symbol of peace. it's a symbol that speaks to everybody. >> reporter: he's the child of polish immigrants that survived the holocaust. he came to america with little more than his talent and ambition. stars speak to him. >> they are infinite. they are magnets for our minds and oughts. >> reporter: our imagination, our dreams. this star a star of wonder. new york.h, nbc news, >>> and we hope you'll tune in for e lighting of the rockefeller center christmas tr

ptsd can ma it difficult to process traumatic experiences, recovery can take years >> with traumatic events such as war, combat experiences, we get stuck on that. nightmares, flash backs, numbns, et cetera. ig> reporter: inveors say long used a .45 caler ock like this purchased legally from th gun shop but outfitted with a high-capacity magazine, largely illegal in california. >> i call this the tragedy tr. there is a mental health issue. there is firearms present or with easy access and some politi . >> reporter: neighbors say long was living with his mother since his divorce. investigators say the are no obvious links to terrorism. this has all the hallmarks of a disturbed individual, lester? >> tom costello, thanks. o,>> less than two weeks e were reporting from the scene of another mass shooting in pittsburgh. erin fact, folks, has been a mass shooting almost every day this year. stephanie gosk has more on this smingly endless cycle. >> reporter: the elscenes look and fe so familiar, the police run in while terrified students concert goers, regular people run out. >> he

thousands of votes are being counted. by tomorrow afternoon florida ma no e hoice but to order a statewcount. lester? >> kerry sanders, thanks. >>> with his pick for acting attorney general under fire, president trump is alefending his choice while seeming to stance himself from the new man overseeing mueller. the president saying he doesn't know matt whittaker, eveafter saying exactly the opposite. here is peter alexander. >> reporter: president trump arriving tonight in paris, hours after lashing out when asked if he wants matt whittaker, his acting attorney general to reign in the russia investigation. >> what a stupid question that is. what a stupid question. but i watch you a lot, you ask a lot of stupid questions. >> reporter: whittaker sided with the president arguing the mueller investigation goes too far evegg ting ways to undermine it. mr. trump today insisting he hasn't spoken to whittaker about being involved with the probe. >> that's up to him. >> reporter: and trying to put distance between himself and the man running the justice department. >> i don'tw matt whittak

. >> reporter: republicans are cautiously optimistic. ma the electorais in their favor and they could build on their majority. ten senate democrats are up for re-election in red states soresident trump won, like mi, where josh hawley is hoping to unseat democrat claire mccaskill and got back up from the president. >> he's growing to go down as one ofur great senators. >> reporter: nbc's morgan radford is there. >> here in st. louis county, the ne liare wrapped around the inside of this pollingat stn, both democrats and republicans saying they understand what's at stake. this is a toss-up race, in a state that president trump won by nearly 20 points back in 2016. >> reporter: another tight race in florida, where democrat bill nelson is faci a strong challenge from republican governor rick scott. here's nbc's gadi schwartz on the dead heat in arizona. >> one way or another, history is going to be made as this state elects its first female senator. you have martha mccallie, kirsten sinema, and these long line of independent voters that could decide this race. >> reporter: among the most

campaigned for all of those husband members there's so ma of them. >> reporter: but claiming he's been an asset to republican senate races. >> difference of five or six or seven. that's a big difference. >> reporter: the former president in gary, indiana, today, a state he carried oncen 2008 and where trump won in '16. barack obama trying to keep a senate seat blue by helping incumbent democrat joe donnelly. >> when you vote, you can be a check on bad behavior. when you vote, you can choosee hop over fear. >> reporter: democrats, many both confident and concerned, that voters who have appeared motivated for months will follow through at the polls. >> everybody i encouraged others to get out and vote. >> reporter: president trump making stops in georgia and tennessee today, scrapping to make sure bl rean-held seats stay red. >> so if you want more care advance and you want more crime, vote democrat. it's very simple. >> reporter: women are among the most sought after mid-term voters. >> fore it's security, jobs, economy. >> reporter: after his noally here in chata, tennessee tonight, there