this morning on "world news now." plane crash mystery. the jet that blew apart over egypt's desert killing hundreds. three possible causes including terrorism. latest direction over night for investigators. >> extreme weather. the worst tornado outbreak in the southeast and the huge pile-up blamed on an unusual storm in the west. today's warnings from from accuweather. and the 228 pound dog. >> his name is bentley. he's so big and so tall, that he could be world famous. so could he be headed into the record books? >> and later in "the skinny," an amazing adele. she's done something no other singer has done before. say hello to the latest record breaker. it's tuesday, november 3rd.

from abc news, this is "world news now." and we do say good morning to you on a busy tuesday morning. i'm kendis gibson. >> i'm reena ninan. we begin with a mystery and confusion over the russian plane crash in egypt. 224 lives lost in just an instant. >> the airline quickly placed blame on an external impact announcing there was nothing wrong with that plane itself. but the russian government and aviation experts say it's too soon to rule anything out. more now from abc's alex marquardt. >> reporter: the vast desert now littered with charred wreckage and signs of the victims. a child's shoe and passports. new mystery swirling around what brought the plane down. the u.s. not denying the possibility of terrorism after an isis-linked group claimed responsibility. >> does isis have the ability to shoot down an airliner? >> it's unlikely, but i wouldn't rule it out. >> reporter: the flight full of tourists took off at 6:00 a.m. on saturday from sharm el sheikh, egypt, for st.

petersburg, russia. before boarding, the parents of a 10-month-old posting a photo of her with the caption, "passenger in chief." this father and daughter smiling as they walked up the steps. after reaching 31,000 feet, 23 minutes after takeoff, it disappeared from radar with no distress call. authorities agree, the large debris field, eight square miles, means that the plane broke up in the air and not on the ground. but why? three main theories emerging. first, a missile. though this hasn't been ruled out, intelligence officials say militants in the area aren't known to have weapons that can reach that high. a bomb on board. the kremlin not ruling out some type of terrorism. and the airline, metrojet, insisting that external influence is to blame, not technical failure or pilot error. but mechanical or structural failure remain a strong possibility. records also show in 2001, the plane's tail hit the runway

known as a tail strike. the black boxes recovered at the crash site are said to be in good condition but one egyptian aviation official said that the results of the investigation could take up to a year. alex mar guard, abc news, sharm el sheikh, egypt. >> and back in this country, there is severe weather on both sides of the u.s. this morning. the gulf states shaken by 18 confirmed tornadoes over the last three days. the worst outbreak since july. homes and schools damaged from texas to georgia by winds up to 115 miles an hour. heavy rain across the southeast this morning with fog and flood watches in effect. that rain moves up the east coast today. the west in the meantime is getting its first blast of wintry weather. high winds and dust triggering this multicar accident near bakersfield, california. at least 15 vehicles involved in that one in southern california. fortunately though, no one seriously injured. the same front is delivering snow to the rockies, more wind and snowy weather is hitting the west today. here's accuweather's molly

cochran. molly, good morning. >> good morning, kendis and reena. we continue to have some unsettled weather impact the southwest. rain, snow continues to push its way eastward. dealing with some powerful winds on tuesday, las vegas into salt lake city and also for casper. where we do have a high wind watch in effect throughout the evening hours, some of those winds could approach 40 to 50 miles per hour. on top of that, the snow continues in the higher elevations going to be moving into the central rockies, as well. kendis and reena, back to you. >> thank you. president obama shedding new light on his decision to troops to syria. the president says that is american forces will not be on the front lines in the fight against isis pippen stead, mr. obama says this is an extension of what the u.s. is already doing. a defense department official says those troops begin arriving in the next few weeks. all are coming from the u.s. and are not already stationed in the region. >> as republicans debate about

the next debate, a brand-new poll shows ben carson is in the lead. take a look at the numbers here. carson is six points ahead of donald trump nationwide. marco rubio in third place with 11%, ted cruz and jeb bush rounding out the top five there. with your voice, your vote, here's abc's carolyn cos at the low. >> reporter: the republican presidential candidates had seemed to be teaming up against the sponsors of primary debates trying to take more control over the process. campaign representatives composed a letter to television networks. an early draft listing these demands. at least 30 seconds of opening and closing statements. no gotcha lightning rounds, no show of hands questions. abc news learned donald trump doesn't plan on signing that joint letter. trump's campaign manager saying our candidate is the single greatest negotiator. we will continue to make sure our concerns are heard directly by the networks. in an interview with bloomberg politics, all due respect, trump

threw out this idea ob debate reform. >> the networks are making a fortune with the debates. we should be like a basketball player. we should strike and say we want money for wounded warriors or a great charity. >> and following trump's lead, john kasich, carly fiorina and chris christie all saying they would not sign that joint letter of debate demands. in florida, jeb bush focused on launching his jeb can fix it tour in an effort to jump start what many are calling a flailing campaign. bush said he's been told to ditch his glasses and get different ties. >> some advice is more strategic. nail that zinger, be angrier. hide your inner wonk. i can't be something i'm not. >> republicans are scheduled to be back on stage next week. the fourth gop debate is being sponsored by fox business network and the "wall street journal." reena, kendis. >> our thanks to carolyn. i should point out that donald trump is going to be live in tss at times square for gma later on this morning.

president obama in the meantime took a few jabs at the you republicans last night during a fund-raiser in new york. the president said the candidates had promised to straighten out vladimir putin but he said they couldn't handle a bunch of cnbc moderators. he said, if you can't handle those guys, i don't think the chinese and russians are going to be too worried about you. >> okay. there you have it from the president. >> it's election day and one of the major items to be decided on in san francisco is the future of the so-called sharing economy, specifically proposition f which would cap short term housing rentals done through websites like airbnb. the limit would be 75 days a year and then the internet hosting company would have to pull the listing. airbnb has spent millions opposing the campaign. in ohio today, voters decide whether to legalize recreational marijuana. if approved the buckeye state would join colorado, washington and oregon as states where pot is legal.

today's vote would authorize ten companies to grow the marijuana. colorado voters will be asked to decide what the state should do with $66 million marijuana tax revenues. blue bell ice cream products are returning to shelves in more cities. consumers in the dallas fort worth and waco areas as well as the oklahoma city and tulsa areas can now get their fix. blue bell pulled all products after a listeria outbreak that killed three people in kansas. google hopes to be using drones to deliver packages to customers' doorsteps by 2017. that's according to the leader of the drone project called project wing. other retailers including amazon and alibaba are also experimenting with drone delivery. >> here's an animal we had to show you. he's bentley, a great dane living with his owns in pennsylvania. >> so bentley is 38 inches tall and weighs about 228 pounds. his owners are in the process of applying to get bentley into the guinness book of world records as the world's tallest living

dog. he's 5 and seems to still be growing. >> i think by the vets, they're actually shocked on the size that he was because they said they never saw one his size either. once they told me don't let him get over 240, i started to then realize he is a large one. >> bentley's favorite party trick is getting his own ice directly from the freezer. >> wait. >> look at that. >> but you can't use that, kendis. >> i hope not. his owner should find out before the end of the year if bentley's picture will be in the next edition of the guinness book. >> i sure hope so. they say he eats about 30 pounds of food a week, that's 120 pounds of food a month. >> give you a sense of where my mind is. i wonder if a dog is that big, is it reflective of their poop size, as well? >> next time you say to give you a reflection of my mind, remind me to say we need to go to

commercial break. >> yeah, okay. >> coming up in "the skinny," who had perfect scores on "dancing with the stars"? >> and jimmy kimmel's nasty annual halloween prank. >> also ahead, sleep deprivation. we thought we knew everything about it till now. the impact it has on your body and an important health alert. >> it could be one of the hottest holiday gifts this year. private drones. wait till you see who set up their own backyard sport with these flying machines and of course, today's forecast map, 66 and rainy in atlanta where we have wsb, channel 2. "world news now" weather, brought to you by mucinex fast max. brought to you by mucinex fast max. my sinuses are killing me. yeah...just wait 'til we hit ten thousand feet. i'm gonna take mucinex sinus-max. too late, we're about to take off. these dissolve fast. they're new liquid gels. and you're coming with me... wait, what?! you realize i have gold status?

do i still get the miles? new mucinex sinus-max liquid gels. dissolves fast to unleash max strength medicine. start the relief. ditch the misery. let's end this. >> important message for residents age 50 to 85. write down this number now. right now, people are receiving this free information kit for guaranteed acceptance life insurance with a rate lock through the colonial penn program. if you are on a fixed income, learn about affordable whole life insurance that guarantees your rate can never increase for any reason. if you did not receive your information, call this number now. your acceptance is guaranteed, with no health questions. stand by to learn more.

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a new study links sugary drinks and heart failure. men who drank two servings a day had a 23% higher risk of heart failure than men who had none. the sugary drinks included sodas and sweetened coffee and juice. although the study was long-term and researchers factored in a number of variables, they only looked at men in sweden. the results show an association, not a causation. >> here on the overnight shift, sleep is usually in scarce supply. which is why this next story really caught our attention. >> what is that, sleep? it's overrated. we've all heard about the importance of getting enough sleep. but as abc's becky worley tells us, not getting enough actually changes how our body works. >> reporter: we are a sleep deprived nation and those suffering the most, the 15 million americans who work late night and early morning shift work. working these hours can be so detrimental that shift work has been classified as a probable cause of cancer.

>> lack of sleep can lead to an increased risk for cardiovascular disease or heart or blood vessel disease to increase risk for diabetes and weight gain. >> when you're deprived your body thinks there's something wrong. in one study where participants dieted those that slept least saw their body consume lean muscle mass instead of fat. >> in shift workers, when they eat many of their callies during the nighttimetime, the body is not as well able to cope with the food and not able to process it in the right way. >> reporter: to show this i head to a lab here in san francisco. i'm here for a glucose test. i've had eight hours of sleep when i drink the sweetened test liquid. my body does what it should and converts the sugar into fuel that it can use right away to power my body. my blood gue koes level only goes up about 6%, well within my body's ability to process it with insulin.

in a study where sleep was restricted insulin lost its efficiency by 21% from even one night's bad sleep and over time, this increases diabetes risk. >> it's unnatural for your body to be up and awake and eating during the nighttime. >> highway dr. sheer recommends shift workers eat meals during regular daytime hours the reality for those working the graveyard shift, exhaustion and possible weight gain may be all in a night's work. becky worley, abc news, san francisco. >> thanks, becky. i thought it was just because i was eating a berger. well, coming up, the soulful singer shattering yet another record. >> and what happens when parents tell their kids they ate all of their halloween candy? it's not good. "the skinny" is next. "world news now" continues "world news now" continues after this from ou

♪ skinny, so skinny leading us off this morning, the narrowing field of talent on "dancing with the stars." it was a good night. >> it was a good night. a lot of great performances. and one of the show's most talented competitors got the boot. >> into the ballroom we go for week eight of competition. and once again, near the top of the leaderboard fan favorite bindi irwin, she and derek hough pulled in a 28 out of 30 for their hot fox trot here that brought the crowd to its feet. >> yeah.

tamar braxton and partner val continued their streak of consistency, also getting 28 for their paso doble, but it could have been higher. as judge carrie ann noted she lifted her foot during the routine. >> oh, no. >> don't do that. >> and she wouldn't have beaten mick carter because he got a perfect score. his emotional contemporary routine with partner sharna was a tear jerker with carrie ann saying it was "the best dance ever." >> he made news at the end of that saying that he and his wife are expecting a baby boy. >> huge congratulations to them. >> unfortunately, andy grammer did not have the best dance. the singer's routine was judged pretty harshly earning him a prompt see you later. >> what a great night. it's been so fun to watch every week. as many of you have heard, the grammy award winning singer adele back on the scene. >> after a long hiatus her newly released sing has just broken a

record already. the song appropriately titled "pellow" is the first ever to sell over 1 million downloads in hits first week. >> with 1.1 million she shatters flow rida's previous record of 636,000 for "right round." >> "hello" is her first single from her forthcoming album and the fourth song to reach number one be. >> flobw rida held the record o the previous? >> last night, we were treated to a seasonal favorite. parents tricked their kids into thinking they ate all their halloween candy. >> jimmy kimmel does it every st night he did not disappoint. >> are you kidding me, dad? if i see no candy, you are in big trouble, young lady. >> i ate it. >> did you eat the cookie?

>> i ate all of it. daddy, too. >> i don't want to see you ever again. go get a job. >> oh. >> you know, it breaks my heart to see this, but i can't take my eyes off the screen every time i watch this. >> they don't whine like that about veggies. >> they sure don't. >> finally trekkies rejoice, "star trek" is officially returning to tv, kind of. >> nearly 50 years after the original series, starring william shatner and leonard nimoy premiered a new edition of the sci-fi empire has been announced. according to hollywood reporter producers are looking for a writer first, and then, of course, the casting. >> that's how it works. >> the pilot episode will premier on cbs in 2017 but will quickly beamed up to its subscription streaming service. >> look forward to that. >> it's not going to be free this time. >> coming up, the latest new racing sport. >> no wheels necessary. grab your drone and head out to

the course. o the course.

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♪ we'll have to download that. so they're one of the most sought after pieces of technology, and more and more drones are proving to have many, many different uses including racing. >> and with cameras attached, it's just like getting into your car with your favorite nascar driver except you're in the air. here is chris davis from our station in harrisburg, pennsylvania. >> what i'm going to do is. >> reporter: steve lleyton is plotting. > we're using soccer cones. >> reporter: a dotted path forms behind his footsteps. >> the idea is they're going to follow the white ones. >> reporter: it's by no means a professional affair. >> this is just something that i bought at a home depot. >> reporter: but that doesn't

matter. >> like i said, never done it before, but hoping it works. >> reporter: he formed the harrisburg area multi rotor races. this is their inaugural meeting. >> this is our first race. >> in three, two, one. fly. >> reporter: it's a new sport. the first governing body multi gp formed in february, but it's quickly catching on among hobbyists. >> they're all guys like me with kids. they have a normal job and they just want to come out and have some fun. >> reporter: and see what their machines see. cameras being first person video into their goggles. >> cool. >> jeff drove an hour and a half to be here. >> i can't do it every weekend but i like to do it as much as possible. >> reporter: he knows there's something of a stigma around his choice of activity. he says that comes from a select few who don't follow the rules. >> there's a lot more good out

there to be gained from it than the few bad instances that cop up. >> oh. >> sometimes that's all it takes to win. just be the guy who hasn't hit something. >> reporter: the wrecks risk nothing but equipment. >> who put that tree there? >> we're not hurting anybody or the grass. we're just using some air space. >> reporter: and steve says finding common ground among generations. >> we're just normal people just trying to have some fun. >> reporter: working for you, chris davis, abc 27 ws. >> that was beautiful. >> kind of cool. >> you like it? >> absolutely. i'm a geek though. you need your dramamine looking at that video but it's kind of cool. >> i know what to get you for christmas. >> i can see lewis hamilton signing up for this in racing. > i can see you losing a finger with this. >> and then some. don't miss our updates on facebook at wnnfans.com. >> coming up, more news from abc. facebook at >> this is abc's "world news now" informing insomniacs for two decades. informing insomniacs for two decades.

making news in america this morning, debate debacle, the gop candidates in disarray over their demands. the president now taking jabs. >> they can't handle a bunch of cnbc moderators. >> the republican effort for debate reform crumbling. live in washington with details. severe weather from coast to coast, rain and snow in the west being blamed for a massive mile one and flooding rains on the move in the east. we're tracking it all. quality concerns. the air in your workplace and its negative impact on your health. jimmy kimmel back with his annual candy prank. the out bursts.