welcome to "world news tonight." donald trump intensifying his conspiracy claims. saying the election will be rigged, that the media is plotting against him, even accusing "saturday night live" of a hit job. this, as he faces a another allegation of sexual harassment. while questions are mounting for hillary clinton over new wikileaks. over the edge. a pickup truck plunges 60 feet from a california overpass, slamming into a motorcycle festival, killing four. what we've now learned about the driver. double threat. the powerful storm lashing the west coast. from san francisco to seattle, hurricane force wind gusts. and one wildfire's path of destruction. home takeover.

now the legal trouble. the widow who hired her allegedly locked out. and, freeway shooter. a gunman firing at random cars on the interstate. one woman struck and killed. plus, the moment a k9 helped police take the suspect down. good evening. thanks for joining us on this sunday. i'm tom llamas. we sprint to election day. donald trump sharpening a new line of attack. a brand-new abc news poll showing hillary clinton with a four-point advantage over trump, but that's within the margin of error. the poll also shows enthusiasm for trump fading, and two-thirds

storm with his latest attack that the election is rigged. and clinton's campaign facing some tough questions. more on that in a moment. but we begin with mary bruce, covering the trump campaign. >> reporter: tonight, donald trump is lashing out. >> the election is being rigged by corrupt media pushing false allegations and outright lies in clinton as president. >> reporter: without evidence, trump is increasingly saying he's the victim of a conspiracy. in less than 48 hours, trump claiming a rigged election more than 20 times, even suggesting "saturday night live" is in on it. some trump supporters are already bracing for a fight.

because we can't have her in. >> reporter: trump's running mate tried to reassure the public. but the clinton campaign says trump is using scorched earth scare tactics. >> he knows he's losing. >> reporter: trump is ramping up his attacks as more women accuse him of sexual misconduct. kathy heller kissed her at a mother's day event. trump's campaign denies the allegation, saying it would have been the talk of palm beach for the past two decades. >> false stories, all made up. lies. lies. >> reporter: trump going after his accusers, like jessica leeds. >> 15 minutes?

it would be one second, and it would be smack. 15 minutes. >> reporter: and with the final debate just three days away, trump has a new unfounded theory. clinton may be on drugs. >> i think we should take a drug test prior to the debate. i do. because i don't know what's going on with her. but at the beginning of her last debate, she was all pumped up at the beginning. >> rte the controversy, our new poll shows trump supporters are sticking with him, but their enthusiasm down 12 points. >> thank you. meantime, hillary clinton holed up with her debate prep team. but the campaign also facing questions in e-mails revealed

wikileaks. here's devin dwyer. >> reporter: no public events scheduled for five days. this, as wikileaks reveals hundreds of e-mails believed stolen from john podesta's account. the daily drip becoming a rolling october surprise. one podesta e-mail claims to include private speeches clinton gave. critics show clinton's tough talk about wall street is public is a lot less tough in private when paid a $225,000 speaking fee. she allegedly told them, there's nothing magic about regulations.

bad. in one message last year, close clinton aides express frustration with clinton's inability to do a national interview. >> that was a mistake. i'm sorry about that. >> reporter: in another, an advisor suggests a joke, saying, laugh at yourself. >> let me start by walking over to you, just as i right, left, right, left, right, left. plant, speak. >> reporter: the clinton campaign won't confirm or deny the veracity of the e-mails released, and challenges donald trump to condemn it. >> thank you. and the third and final presidential debate, this

with complete coverage right here on abc. next to california, where authorities are revealing new details about the driver in a frightening accident. this driver somehow survived but as eva pilgrim reports, he's now in trouble with the law. >> reporter: tonight, the driver of this demolished pickup truck, a member of the u.s. navy, charged with four counts of vehicular homicide and dui. >> it almost sounded like gunfire, and then you see the vehicle come down. >> the vehicle is on its side, and is going to roll back over. >> reporter: this cell phone video shows the chaos and panic at a crowded fair in san diego after that truck flew off a bridge and plunged 60 feet onto a vendor at a packed motorcycle festival. >> when they arrived, they did find the vehicle on its side and top of four individuals. >> reporter: police officers and

authorities say the driver, 24-year-old richard anthony sepolio, seen here being treated at the scene, was under the influence when he lost control. >> there's no other thought but what you see, somebody's got to be dead. >> reporter: sepolio survived the crash and is in the hospital with serious injuries. he has not yet entered a plea. this crash could have been even worse. the truck came to a rest just was playing. no word on how the injured victims are doing tonight. tom? >> thank you. to kentucky where the daughter of an american olympian was killed in an early-morning shooting. tri overseas to iraq, where an

mosul is imminent. alex marquardt, reporting from the front lines tonight. >> reporter: battered humvees and trucks full of soldiers rolling out, as tonight iraq braces for an all-out battle with isis that could begin within hours. some 30,000 troops are massing around mosul, backed by u.s. special forces advisors on the ground and american jets carrying out airstrikes. isis has held the city for over two years and is digging in to defend its biggest prize. burning oil and tires for cover, digging tunnels and setting booby traps for the advancing forces. today, we visited a base overlooking the frontline. the kurdish forces there manning a post, face-to-face with the enemy. this base is the closest one to the isis positions in this area. in fact, we can see an isis flag on the next ridge over, just under a mile away. it routinely comes under mortar and sniper fire. these fighters have lost friends

mosul to get under way. including farhang, who didn't want his face shown for security reasons. he left a life in canada to fight isis. >> isis is probably one of the worst terrorist organizations we have ever seen, in history i think, probably. and i think it's very important for everybody that can do something to stand up and fight back. >> reporter: the iraqi military has dropped leaflets on mosul telling residents ta one million people are expected to flee the fighting in what the u.n. says may be the biggest humanitarian crisis this year. >> thank you. and the navy destroyer, uss mason firing, the navy is reviewing the incident, coming days after the u.s. military launched retaliatory strikes

sites in yemen. and a powerful storm lashing the coast from northern california to the canadian border. and then a fire destroying 22 homes in nevada. rob marciano with the forecast in minutes. but first, neal karlinsky reports from the storm zone. >> reporter: the winds so strong, this man leaning into the blast of sand. gusts approaching 60 miles per hour. the powerful storm packing a one-two punch of drenching rains and strong winds from seattle to portland. this home outside olympia, washington, smashed when a tree blew on top of it. >> we all stood up like, "what's that noise?" and then is just crashed. crashed right through the house. >> reporter: in portland, flash flooding swamped cars. one man forced to climb out his window to escape. >> i didn't realize it was going to be waist-high. so i was pretty scared. >> reporter: again and again though, it was the wind wreaking

bringing down trees on top of cars, across roads and power lines. elsewhere in the west, it's wildfires causing problems. red flag warnings stretch from new mexico to south dakota right now, including parts of eight states. the wind-driven wildfire north of carson city, nevada, has already destroyed 22 homes and continues to threaten hundreds more. this man evacuated along with his pets. >> went outside and could see flames in the distance to the south of me. >> reporter: but tonight, here in the northwest, the cleanup is on. and a big sigh of relief, too. this storm, predicted to be historic, wasn't nearly as bad as feared. >> thank you. >> i want to bring in rob marciano, the west still getting pounded, though. >> yes, the storm is still hitting the west coast, and it's spreading out. windy in california, rain showers getting down to southern

pacific northwest. and winds, red flag warnings from rapid city to amarillo. and tomorrow, look for a high of 90 in dallas, 82 in d.c. into the 80s in new york. hard to believe it's the middle of october. and random shots ringing out on a busy freeway, and with a tense standoff. here's late details from ron claiborne. >> we do have two victims. >> reporter: a shooting rampage on interstate 15 in the middle of las vegas. reports of a gunman driving on the highway, opening fire on other cars. bullets hit three vehicles, including one with a husband and wife inside, causing them to crash into a road barrier. that woman, tracy donahue,

>> totally random. unrelated. we don't know he would shoot at all these vehicles. >> reporter: the alleged gunman, 27-year-old kenneth mcdonald, then drove to this drug store. walking in, guns drawn. >> i seen a guy walking toward me and he had two guns in his hands. >> reporter: inside the store, police say he tried to sexually assault a woman. >> we need a rifle team on the southeast size of the business. >> reporter: police officers confronting mcdonald outside the store. the standoff caught on camera. when mcdonald refused to him down as officers swoop in to make the arrest. mcdonald has been charged with murder and attempted murder. police say they have no idea why he allegedly opened fire on the freeway. still ahead on "world news tonight," the deadly accident on the water.

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back now with a story striking fear into the hearts of home y homeowners, especially those with elderly relatives. here's adrienne bankert.

behalf of a 90-year-old woman trying to get back into the home she's lived in for nearly six decades. >> i think that she's heartless. she's heartless. >> reporter: fran breslauer is talking about the woman she hired a year ago to care for her dying husband. cheryl sherell, featured here on a 2010 episode of "hoarders: buried alive," moved into breslauer's home. but when she tried to fire sherell, she refused to leave, even after breslauer's husband passed away in january. >> she got to be very nasty after that. >> reporter: both women filing restraining orders against each other, sherell claiming the widow of punching her in the arm. >> my mom, she's 90 years old, in failing health. >> reporter: fran claims sherell changed the locks. her story recently brought to light by our san diego affiliate kgtv. we knocked on the door, we called sherrell, called her attorney. so far, no response. across the country, other stories of homeowners locked out. this one in santa cruz, where

experts say the best way to keep this from happening to you, do not hire a caregiver through craigslist, the newspaper, or even a friend's recommendation. only use a bonded, insured caregiver agency. tom? >> thank you. up next, is starbucks coffee too hot? and why the moon is putting on what scientists are calling a super show tonight. keep moving. i know! try laxatives. been there, done that. my chronic constipation keeps coming back. i know. tell me something i don't know. vo: linzess works differently from laxatives. linzess treats adults with ibs with constipation or chronic constipation. it can help relieve your belly pain, and lets you have more frequent and complete bowel movements that are easier to pass. do not give linzess to children under six and it should not be given to children six to seventeen. it may harm them.

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girl's message about what it means to be different. here's john donvan. >> can you do anything? >> yes, i can do anything i want. >> reporter: sophie sanchez, in her own words. >> are you smart? >> yes. >> reporter: a video of her mom asking her questions that got 5 million facebook views this month. >> little miss. >> yes? >> do you have down syndrome? >> yes, i >> is down syndrome scary? >> no, it's not scary. >> reporter: sophie, who is 7, was born in eukraine and was adopted when she was 16 months old. joining a family where her older brother, joaquin, also has down syndrome. >> they can share their journey together.

sanchez family in the forward ranks of a moment which asks people to be accepting of others. >> they have a love of life. >> reporter: look how confident this little kid is. acceptance will be total. john donvan, abc news. >> tonight, we salute her family for being "america strong." "gma" first thing in the morning, david muir will be right back here tomorrow night.

>> now on wisn 12 news. a dream come sad news to start. a baby is dead and tonight. the milwaukee police department's sensitive crimes unit is investigating. neighbors woke up to a woman screaming in the street. sheldon: officers were called to the apartment building near 28th an milwaukee medical examiner's office. that's where terry sater joins us live tonight. terry? terry: a family member tells me the child's name is deshelya. the baby's body is here at the medical examiner's office tonight awaiting an autopsy and tonight the medical examiner's office tells me. so far, there's nothing suspicious. that's not what witnesses were saying on the scene this morning. what's clear is everyone was grieving the loss of a baby we were told was just three months old. we spoke with a woman who says