Grizzly steppe. According to this report, two russian groups hacked democratic officials and the dnc, stealing tens of thousands internal emails. The hackers tricking their victims into handing over their credentials by mimicking their employers email systems. Tonight, there is also retaliation we dont know about but no details on any covert cyberactions the u. S. May take to penetrate russias systems. One thing we can do is let them know, hey, were here. What that does is sends a message if you mess with us, we have the ability to turn on real actions against your critical infrastructures. Mary bruce joins us from the white house. The kremlin has a lot to say about this tonight. Reporter tom, russia tonight is blasting these measures as aggressive and unpredictable and they are vowing to respond. Promising that countermeasures will be announced tomorrow. Tom. Mary bruce for us tonight, mary, thank you. Tonight the kremlin is using these new sanctions to build a wall between president obama and president elect trump. And moments ago trump weighing in and making a promise. Hes been more than skeptical that russia was involved in any cyberhacks or the election at all. Abcs Gloria Rivera has more on that. Reporter tonight donald trump suggesting that crackdown on russia is misguided saying in a statement, its time for our country to move on to bigger and better thing, nevertheless, in the interest of our country and its great people i will meet with leaders of the intli that statement echoing what he said wednesday. I think we ought to get on with our lives, the whole, you know, age of computer has made it where nobody knows exactly whats going on. Reporter the president elect has repeatedly refused to accept the conclusion reached by 17 intelligence agencies in october that the creme learn interfered in the election. Has no idea whether its russia, china or anybody else. I am not it could be somebody sitting in a bed someplace. Reporter trumps team knew the announcement was coming. There was notification earlier today to Senior Member of the president elects team, but no consultation in advance. Reporter trump under scrutiny for nominating as secretary of state with close ties to russias president Vladimir Putin. Ive known him since 1999 and i have a very close relationship with him. Reporter today some gop lawmakers pushing for stronger sanctions. Gloria joins us live from outside the Russian Embassy in washington, tonight the kremlin is saying president obama is actually trying to undermine president elect trump . Reporter thats right. Tom, tonight a kremlin spokesman saying president obama is seeking to undermine donald trump and his Foreign Policy plans with his incoming administration. Tom. Gloria, thank you. We turn to that other big story were following, the unimaginable heartbreak that has the world reeling tonight, the stunning loss of hollywoods leading lady, Debbie Reynolds, just one day after the passing of her beloved daughter carrie fisher. The tributes growing at this hour. Mourners shaken by the eerie chain of events. This picture saying it awe transfixed by her mother in the spotlight. Were learning tonight the family may be planning a public memorial. Heres abcs matt gutman. Reporter for the vivacious star of singin in the rain, the pain was just too much. Debbie reynolds, a hollywood icon, who seemed to radiate sunshine. Good morning, good morning to you reporter passed away la the death of her daughter carrie fisher. Reynolds was 84. Reynolds son and fishers brother todd fisher telling abc news said she suffered a massive stroke at home. But it was grief that killed her. She loved taking care of my sister more than anything, so she gets to do that. And thats what she wanted to do. Reporter as a child, fisher would watch her mother for hours on end. This photo from 1964 showing a mesmerized carrie glued to moms performance in las vegas. The two were intensely close yet so different. Fisher and her pricess leia were plucky rebels. One of her defining moments in that gold bikini strangling jabba the hutt. Reynolds moment in that trench coat in singin in the rain following up with an oscar nomination for the unsinkable molly brown. I think that we all are possibly sinkable and hard to live through many difficult moments. Reporter fisher and reynolds had an antidote to that, physical proximity. They were neighbors. Mommy, mommy, im home. Reporter as seen in bright lights and a shared love of irreverent humor. Shes also my mother. Actually she has been more than a mother to me. Not much, but definitely more. Matt gutman joins us live. Matt, now with both of these highprofile tragedies, any word on memorial plans . Reporter no details on where or when yet, tom, but todd fisher tells us to expect a public component, also he said his mother and his sister loved a good party so expect to celebrate their lives. Matt gutman hollywood tonight. Thank you. Losing a child is, of course, one of lifes most stressful heartbreaks but could a broken heart have played a role in Debbie Reynolds death . Dr. Jen ashton joins us now with some of the science on that and dr. Jen, is this a real thing. It is a real condition called broken heart syndrome but this refers to a sudden stunning of the heart muscle in someone without hardening of their arteries usually in response to a severe emotional stress, those people for the most part recover. This is very different than a stroke, but there are some studies that show a higher death rate in parents who have lost children even Adult Children and that really points to just how devastating physically and emotionally the loss of a child can be. Dr. Jen, thank you. A very special look at this mother Daughter Life and legacy on 20 20 tomorrow night at 10 00 eastern. The major winter storm sweeping across 15 states and the damaging december tornado outside of atlanta. Take a look. Homeowners there in jefferson coun downed trees and power lines after fierce winds took some off guard. Heavy snow the story in the northeast. Stretcher travel in new england. Adrienne bankert in the thick of it. Reporter tonight, that major winter storm, sending vehicles off the road across new england. New hampshire officials declaring a snow emergency. In massachusetts, a warning for drivers. Dont underestimate the danger and stay out of the way of plows. Dont pass them please. A lot of these guys do their work. They are in front of you for a reason. Reporter in pennsylvania, two tractor trailers colliding, part of interstate 80 shut down. Wnep reporter carmella mataloni, right there. These drivers have been at a standstill for about two hours right now. Reporter the system moving through the southeast overnight. Northeast of atlanta, a tornado touching down. We never thought wed wake up to this kind of damage this morning. Reporter 15 105mileperhour winds toppling tree, snapping power lines. It will be a rain snow mix in northampton and new england all night long but no holiday for road crews. Not only will they plow tonight but also in preparation for new years eve celebrations this weekend. Tom. Making sure those roads are clear. Adrienne, thank you. Now to the midair meltdown. What sparked the incident causing a delta flight to turn back. And with some 2 million air travelers packing flights every day through the new year holiday many are praying to avoid scenes like this. Heres abcs alex perez. Reporter tonight, the epic meltdown caught on tape. Forcing a delta flight from minnepolis to los angeles to turn around just an hour into the flight. Youre already going to jail. Reporter watch as one of two rowdy passengers is tackled after appearing to hit someone in their seat. Hey reporter the officers scramble to take them down. Stay down reporter the fight reportedly erupting when Christine Koosman tried to use the bathroom right after take off and the told her to sit down. Now. Reporter the captain turning the plane around, back to minneapolis. 2565 we do have the authorities called. They should be at the gate when you get there. Reporter koosmann and her boyfriend adam fleisig led off the plane in handcuffs while other passengers cheered. The couple has been charged with Disorderly Conduct and could face up to 90 days in jail and a 25,000 fi. Tom. Alex, thank you. Moving overseas, a new ceasefire in syrias bloody fiveyear civil war. Both sides, the Syrian Government and the armed opposition have agreed to a nationwide truce. Russian president Vladimir Putin saying there will be peace talks and that russia and turkey will guarantee the ceasefire however the truce does not include isis and other terror groups. Next to the security concerns looming as millions of americans gather across the country at key locations to ring in 2017. The unusual tonight we take you inside new york citys socalled ring of steel. Heres abcs linzie janis. Three, two, one. Happy new year reporter tonight, Law Enforcement announcing the unprecidented security for the years biggest celebration at times square. 65 sanitation trucks filled with sand like the ones used for the thanksgiving day parade, to be used for the first time at ka w yearss celebration. This in response to the berlin and nice truck attacks. The trucks setting up a perimeter from times square to central park in that proverbial ring of steel. 7,000 extra Police Officers on duty from special ops units to rooftop surveillance teams. Inside the command center, teams will monitor 9,000 video feeds and track millions of license plates storing them for five years. This is the center. Anything happens anywhere in new york city, phone calls coming in here and well be able to rea reporter officials are assuring the nearly 2 Million People expected here in times square when the ball drops that they will be well protected. Tom. Linzie janis for us, tonight, thank you. Theres still much more ahead on world news tonight this thursday. This, another mall fight breaking out. Are the rules about to change for teenagers who want to shop and visit Shopping Centers. Also, a huge setback for the convicted killer featured in the serial podcast. Were following developing news out of colorado. A deadly chair lift dent at a popular ski resort. Details coming up. Was. 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 no matter what path i take, i go for my best. So if theres Something Better than warfarin, ill go for that too. Eliquis. Eliquis reduced the risk of stroke better than warfarin, plus had less major bleeding than warfarin. Eliquis had both. Dont stop taking eliquis unless your doctor tells you to, ng a stroke. Eliquis can cause serious and in rare cases fatal bleeding. Dont take eliquis if you have an artificial heart valve or abnormal bleeding. While taking eliquis, you may bruise more easily. And it may take longer an usual for any bleeding to stop. Seek immediate medical care for sudden signs of bleeding, like unusual bruising. Eliquis may increase your bleeding risk if you take certain medicines. Tell your doctor about all planned medical or dental procedures. Im still going for my best. And for eliquis. Ask your doctor about eliquis. Im good. . I just took new mucinex clear and cool. Whats this sudden cooooling thing happening . Its got a menthol burst. 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Tonight another example of violence as mall owners are now getting together to discuss better protecting shoppers and maybe putting restrictions on your teenagers. Heres abcs clayton sandell. Reporter tonight, trouble in american shopping malls. In sunrise, florida, a fight breaking out when a customer tries to get in this closed steve madden shoe store. Employees hold her back, but she throws a water bottle, and someone in the store throws a punch. The incident recorded by radio host andy slater. Everyone in the crowd couldnt believe it either. This is supposed to be a season where everybody is happy and full of joy but it was anything but. Reporter it follows mondays rash of much larger fights at more than a dozen malls around the country. Forcing evacuations from illinois to indiana, texas to tennessee on one of the biggest shopping days of the year. Many of the troublemakers were teens police say may have been drawn to the malls by social media posts. That has prompted the Shopping Center industry this week to strategize on ways to improve security including requiring teens to be escorted by an adult over 21. As for that florida fight, police tell us tonight they are not pressing any charges but the store says they are still investigating. Tom. Clayton, thank you. When we come back a developing stor family tragedy at a popular ski resort . Also ahead, Drone Deliveries just like this are just the start. Could a warehouse soon be flying over your home . Does this tribute to the new Chinese New Year look a bill familiar . Stay with us. I didnt think there was anything else to talk about. But then i realized there was. So, i finally broke the silence with my doctor about what i was experiencing. He said humira is for people like me who have tried other medications but still experience the symptoms of moderate to severe crohns disease. In clinical studies, the majority of patients on humira saw significant symptom relief. 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Next, amazons big plans for a warehouse in the sky are starting to take off. The company has reportedly been awarded the patent for an aircraft or blimp that will be stocked with products when an order is placed, the packages will be delivered by drones one day the warehouse blimp could be flying over sporting events delivering food and merchandise to fans. All right, and take a look at this new piece of chinese art. Remind you of anyone sporting a trump hairstyle outside a chinese mall a tribute to president elect trump who chinese year of the rooster. It will also be the malls mascot. When we come back, those we lost this year, the talented people well all miss. My friends think doing this at my age is scary. I say not if you protect yourself. What is scary . Pneumococcal pneumonia. Its a serious disease. My doctor said the risk is greater now that im over 50 yeah. Yaha. Just one dose of the prevnar 13® vaccine can help protect you from Pneumococcal Pneumonia an illness that can cause coughing, chest pain, difficulty breathing, and may even put you in the hospital. Prevnar 13® is approved for adults 18 and older to help prevent infections from 13 strains of the bacteria that cause Pneumococcal Pneumonia. You should not receive prevnar 13® if you have had a severe allergic reaction to the vaccine or its ingredients. If you have a weakened immune system, you may have a lower response to the vaccine. The most common side effects were pain, redness, limited arm movement, fatigue, headache, muscle pain, joint pain, less appetite, vomiting, fever, chills, and rash. Get this one done ask about prevnar 13® at your next visit to your Doctors Office or pharmacy. Nausea, heartburn, indigestion, upset stomach, diarrhea usea, heartburn, indigestion, upset stomach, diarrhea heres pepto bismol ah. Nausea, heartburn, indigestion, upset stomach, diarrhea vo whatscorn . Dog foods first ingredient . Wheat . In purina one true instinct grain free, real chicken is always 1. No corn, wheat or soy. Support your active dogs whole body health with purina one. A farmers market. Ieve whats in this kiester. A fire truck. Even a marching band. And if i can get comfortable talking about this kiester, then you can get comfortable using preparation h. For any sort of discomfort in yours. Preparation h. Get comfortable with it. Finally tonight our tribute to the great lives weve lost in 2016. Many of them in just the last few days. Ground control to major tom when will your country and my country have normal relations . Translator and i believe that it also depends on time. Such a shame our friendship had to end purple rain purple rain this is friendship 7 reading you loud and clear. Heres the story of a lovely lady who was bringing up three very lovely girls these happy days are yours and mine happy days this is what the war on vietnam is all about. There was a realization that the rules have all changed. There is no life i know to compare with Pure Imagination living there youll be free if you truly wish to be [ singing in spanish ] if you want to break through, if you want to have attention paid, if you want to accomplish your goals and your dreams, youve got to be willing to work hard. Whats the point otherwise . That leaves only me to blame Freedom Freedom you got to give what you take hallelujah hallelujah its over. Muhammad ali with an eighth round knockout. Im young, im handsome, im fast, im somebody has to save our skins. May the force be with you. Good morning good morning its great to stay up late good morning good morning to you our thoughts and prayers for all those great ones we lost. Thank you for watching. Im tom llamas. Ill see you right back here tomorrow night. Have a great opening. From Sony Pictures studios, its americas game. Wheel. Of. Fortune ladies and gentlemen, here are the stars of our show pat sajak and vanna white [ cheers and applause ] i crack him up. Oh, goodbye. [ laughs ] how you doing . Good to see you all. Im gonna make a confession. We were a little late coming out because we were feeling each others muscles. Thats all i can tell you. [ laughter ] oh, lets do a toss up. Its our first. Food drink is the category. There we go. And get it going, vanna