Reportedly forced to put human trials on hold tonight. Reports a participant might have suffered an adverse reaction. What we know so far. And it all comes as nine drugmakers issue an historic joint statement tonight, pledging to, quote, stand with science, before rushing out a vaccine, amid any talk of political pressure. And what dr. Anthony fauci is saying about a vaccine and when. The coronavirus and schools tonight. The disturbing images of crowds on labor day and on college campuses. Indiana university and the crowds on party boats nearby. About 100 College Communities now reporting a surge in cases. Two months until the president ial election. The race under way. President trump facing new fallout tonight, after that report claiming he called fallen american troops losers and suckers. The president responding to that report and what he has now said about his top military leaders. Tonight, the armys top general now responding. And joe biden jumping in, too. There is breaking news from rochester, new york, at this hour. The mayor speaking a short time ago. The major Police Shakeup after days of protests. The police chief and his entire command staff leaving their positions. The chilling investigation. The bodies of an american couple recovered from a well in mexico. And the senior kicked off a flight, reportedly telling a Flight Attendant to put on her mask during the safety briefing and what the airline is now saying tonight. Good evening and its great home after this labor day holiday. And we do have several major developments tonight as we come on the air. There is news involving the hunt for a vaccine and what could be a significant setback. What weve learned so far. But were going to begin tonight with that scene unfolding right now. The daring rescues under way at this hour. The wildfires now in nine states. In california tonight, 25 major fires right now. The creek fire alone near fresno trapping hundreds of campers and hikers. National guard helicopters rescuing 160 people alone today. Tonight, though, many still trapped. A wife waiting for her husband and sons to be rescued. It is a dangerous operation under way in high winds and near zero visibility. Near San Bernardino tonight, the el dorado fire threatening homes, forcing evacuations there. The valley fire near san diego spreading quickly, as well. Fire seen on both sides of the road. And in Washington State tonight, hurricaneforce winds fueling the flames there. Destroying most of the town of malden. We have it all covered for you tonight, including the winds expected to pick up significantly as we head into the night. Abcs matt gutman leading us off. Reporter tonight, the massive creek fire exploding through central california. A massive rescue effort underway. But more than a dozen people still trapped by flames lisa ebright desperately waiting for her husband and two sons. Im just anxious for them to come home and for me to see them step off. Then i can breathe. Reporter National Guard and navy choppers scooping up more than 160 people from that inferno today. Families now making emotional reunions. You guys smell like smoke so bad reporter lorena telling our zohreen shah shes glad her two sons are safe. It was such an anxious wait, not knowing what was going to happen and when they were going to be here. So, its just surreal having them here in the flesh. Reporter these rescue missions executed in high winds and near zero visibility. Requiring night vision goggles, it is extremely dangerous for those military crews carrying out those dramatic operations. In all, theyve pulled more than 200 from the fires over the weekend in chinook and black hawk helicopters. The smokes been so thick that the pilots dont have a visual of the terrain to land safely or to identify the locations where the evacuees are. Reporter this single fire now consuming over 143,000 acres. Destroying homes, forcing thousands to evacuate. Were in uncharted territory, with the amount of evacuations and with the speed of the fire. Reporter more than two dozen major fires are burning through the state. Nearly 14,000 firefighters battling impossible conditions. The dolan fire in Monterey County nearly doubling in size overnight. Moving so quickly, 14 firefighters were forced to deploy fire shelters. Now, these are only used when a firefighters life is in immediate danger. Tonight, at least three take on the the hospital, one of them in critical condition. And its not just california. Fires now burning in nine western states. This fire in oregon easily visible from 30,000 feet. And in Washington State, hurricaneforce wind gusts helped fuel the destruction there. People with only minutes to evacuate the town of malden, south of spokane. It was surreal. It was like, you cant believe how fast. I cant i still cant fathom how quick how quickly it traveled. Reporter cars destroyed, homes burned to the foundation. The area tonight a wasteland. David, we came up here so you can hear this. What sounds like a waterfall is actually wind howling through the trees here. Its going to act like nitroglycerin tonight, turbocharging all the fires that exist in the valley below. We spoke to a battalion chief here, he says the fear is that its going to push those fires into the san gabriel valley, where tens of thousands of people live. We could see a lot of evacuations tonight. David . Yeah, that sound certainly makes the point, matt, thank you. And as i mentioned at the top tonight, the winds are expected to be a real problem once again as we head into this evening. So, lets get right to chief meteorologist ginger zee, shes also on the ground in california for us tonight. And ginger, what are you expecting in the hours ahead . Reporter david, ive got another sound over me, one of more than a dozen helicopters in just the last hour hitting the hot spots here in the el dorado fire, trying to get them out, because theyre about to meet up with mother natures kerosene, the santa ana winds. You can see it right there on my map, that arid High Pressure system settling in over the great basin. It sends those offshore winds and that makes for gusts 40 to even 55 miles per hour. When you take those through a mountain pass, you take a little smoldering ember and you make it a giant wall of flames. And thats what were concerned with tonight. We also are concerned with the red flag warnings that go from arizona to Washington State. Air quality alerts are up everywhere, because even if you arent right on top of the fire, you cant breathe. You cant see. The smoke and visibility impacting everyone here along the west coast. David . Thinking about the millions in the west tonight. Ginger, our thanks to you, as well. And of course, the other major story tonight involving the race for a vaccine. And we learned just before we came on the air tonight that there could be a setback tonight in what had been one of the most promising studies from the university of oxford. Their human trims reportedly temporarily on hold tonight after a reported serious reaction in one of their volunteers. It all comes as nine Drug Companies pledged today in an historic joint statement that they will, quote, stand with science before issuing any vaccine, despite growing concern over any potential political pressure leading up to the election. Heres abcs steve osunsami. Reporter a possible setback this evening. The final stages of human trials at the university of oxford are being put on hold because one of their volunteers reportedly suffered a suspected serious adverse reaction. A spokesman for the company developing the drug tells a medical news service that theyre now hoping to minimize any potential impact of the trial timeline. The chief executives of nine drugmakers who are racing to produce a vaccine that prevents covid19 are promising the world tonight that safety is their, quote, top priority. In their rare statement together, they write that they wont ask for approval or even emergency use of any vaccine until demonstrating safety and efficacy through a phase three clinical study. We believe this pledge will help ensure Public Confidence in the rigorous scientific and regulatory process. For weeks now, the president keeps suggesting that a vaccine could be ready by election day. So, were going to have a vaccine very soon. Maybe even before a very special date, you know what date im talking about. Reporter his critics say hes rushing things for political gain. I will not take his word for it. He wants us to inject bleach. No, i will not take his word. Reporter but even joe biden says its good for everyone if the Trump Administration can help produce a safe and effective vaccine thats readily available by november. If i could get a vaccine tomorrow, id do it. It would cost me the election, i feel. We need a vaccine and we need it now. Reporter the ceo of pfizer says theyll know soon if the president s timeline is possible. Best case predicts that we will have an answer in by the end of october. Reporter the nations top Infectious Disease doctor still doubts a vaccine will be ready by election day. He does think more than one will end up making it to market, but says the demand will be so high you likely wont get to choose. I dont think youre going to be able to pick and choose like you would in a candy store. Reporter were now learning tonight of at least one trial location here in the u. S. That is no longer using that oxford vaccine to inject into volunteers until we learn more about this adverse reaction. David . All right, the Ripple Effect already here. Steve, our thanks to you again tonight. And as this country awaits a vaccine, the disturbing images this evening as children head back to school, as College Students go back, as well. And tonight, the toll in this country, more than 189,000 american lives lost. Authorities are urging young people to take this seriously, as Authorities Say we now enter the fall in a more difficult place than we entered the summer in. And word tonight that more than a half million children have now tested positive in the u. S. Since this began. Heres stephanie ramos. Reporter tonight, Labor Day Weekend sparking fresh fears of covid outbreaks. From seattle to sacramento, a missionary posting these images to support the faithful, as many appeared to worship without masks and no social distancing. In las vegas, streets packed, many without masks. The country going into Labor Day Weekend with twice the level of infection than memorial day. In many ways, were in much worse shape entering the fall than we were entering the summer and of course, we know in the fall with schools and colleges opening, were going to probably see a lot more cases ahead. Reporter colleges vowing to crack down after scenes like this boat party near indiana university. The university of rhode island breaking up gatherings like this. It was also really frustrating, too, because they all had their masks in their hand. Its really not hard to just put it on. Reporter according to the new york times, infections have recently spiked in about 100 College Communities, as students have returned to campus. They dont tell us how many cases are on the floor of your dorm or in your dorm in general. And i think that would help a lot, but i also think it might scare people. Reporter at the university of georgia, classes are in person. Cases jumping to 800 in one week. I think we shouldnt even have been on campus this semester, because of the rise of cases. Reporter the mayor of athens saying the return of up to 25,000 students is one reason for the rise. Weve seen this dramatic spike, including in the last month, doubling the number of deaths weve had this year, so, just as many deaths in the last month as we had in the prior five months combined. Reporter New York University today announcing that all members of the nyu community are required to be covid tested, not just at testing sites like the one behind me, but kits are now available at dorms. David . Stephanie ramos tonight. Stephanie, thank you. And now to the race for the white house. Two months to go. After labor day, of course, we are now in the final stretch. The election just eight weeks away. And tonight, President Trump is facing new fallout over what he reportedly said about the military. What the president is now saying and now the armys top general weighing in. So is joe biden. Heres our chief White House Correspondent jonathan karl. Reporter President Trump today hit the campaign trail in a state he must win. Its my home state. Its called the state of florida, its a great state. Reporter with exactly eight weeks until election day, the president is dealing with fallout from a report in the atlantic citing Anonymous Sources that he made disparaging comments about americans killed at war. The article alleges the president refused to visit a world war i cemetery during a trip to france in 2018, saying, why should i go to that cemetery . Its filled with losers. The president did not make the planned visit via helicopter, citing bad weather, sending his chief of staff john kelly there to go by car instead. When it comes to veterans, hes downright unamerican. And im sorry if im coming close to losing my temper. Reporter the Biden Campaign has already seized on the article, making this video featuring veterans. Its filled with losers . Its filled with heroes. Reporter the white house has pointed to on the record statements from more than a dozen people who accompanied the president on his trip to paris and say they didnt hear him make those comments. Who would say a thing like that . Only an animal would say a thing like that. Theres nobody that has more respect for not only our military, but for people that gave their lives in the military. Reporter the article also says the president had been with john kelly during a memorial day visit to Arlington National cemetery and alleges that while standing by the grave site of kellys son, who died in afghanistan, the president said, i dont get it. What was in it for them . That comment has not been refuted by kelly, who has said nothing on the record about the article. The president created more controversy yesterday by questioning the motivation and loyalty of americas military leadership. Its one of the reasons the military im not saying the militarys in love with me, the soldiers are. But the top people in the pentagon probably arent, because they want to do nothing but fight wars so that all of those Wonderful Companies that make the bombs and make the planes and make Everything Else stay happy. Reporter the chief of staff of the army took issue with that at a Virtual Event today. I can assure the American People that the Senior Leaders would only recommend sending our troops to combat when its required in National Security in the last resort. That statement making immediate news today. But lets get right to jon on something else, because theres also news on the postmaster general. The House Oversight committee, jon, saying theyll investigate louis dejoy, a trump donor, over alleged Campaign Finance violations . Reporter yeah, the washington post, david, reported that dejoy pressured employees at the company that he owned until four years ago to make donations to republican candidates and then reimbursed those donations through bonuses. Dejoys spokesperson is denying he broke any Campaign Finance laws. The president was asked about this yesterday and said if the allegations are true, then dejoy should lose his job. David . All right, two months to go until the election. Jon will be with us every step of the way. Thank you, jon. Theres also developing news from rochester, new york, tonight. A major shakeup in the Police Department there after days of protests. The mayor speaking just a short time ago, the police chief and his entire command staff leaving their positions. Abcs trevor ault from rochester. Reporter tonight, a week into intense protests rocking rochester, the mayor with that bombshell announcement i do want to inform you that the entire rochester Police Department command staff has announced their retirement. Reporter police chief laron singletary, a deputy chief and a commander abruptly retiring and two others leaving their command positions for a lower rank, catching the entire city council offguard. It was unexpected. I didnt know that it was going to happen. Reporter is there any type of blueprint about how to move forward . There is not. Put your hands behind your back reporter this as outrage mounts following the release of this disturbing body camera video, showing daniel prudes deadly encounter with police back in march. Last week, mayor lovely warren said chief singletary told her prude died of an overdose, but later defended his actions, saying today the chief was not asked to resign. His career and his integrity and his you know, has been challenged. He didnt in any way try to cover this up. Reporter late this afternoon, the chief releasing a statement, saying, quote, i will not sit idly by while out side entities attempt to destroy my character, adding, the mischaracterization and the politicization of the actions that i took after being informed of mr. Prudes death is not based on facts and is not what i stand for. And david, tonight, the mayor says chief singletary will remain in charge of the Police Department through the end of the month as the city scrambles to lay out its new path forward. David . Trevor ault tonight. Trevor, thank you. And we should let everyone at home know that abc news is launching turning point, a monthlong series of reports examining the racial reckoning sweeping the nation and whether it will lead to lasting change. The effort in bridging the divide. Those reports every night on nightline and across our news and platforms and of course, right here on world news tonight. When we come back this evening, the american couple found dead in mexico, their bodies discovered in a well. Was that your greataunt, keeping armies alive . Drafting the plans. Taking the pictures. Was it your family members . Who flew. Who fixed. Who fought. Who rose to the occasion. When the world needed them most. Find and honor your ancestors who servered in world war ii. 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Next tonight here, the airline responding after a senior was kicked off an Allegiant Air flight in punta gorda, florida. The man reportedly telling the Flight Attendant to put her mask on while giving the safety briefing. The passenger was accused of being disruptive. The airline says they take off that mask briefly so passengers can hear. When we come back tonight, that chilling discovery, the american couple found at the bottom of a well. Tonight. We adapt and we change were here to keep you safe. Can leave you holding your breath. But Bristol Myers squibb is working to change things. By researching new kinds of medicines that could help you live longer. Including options that are chemofree. Because were committed to bringing new hope into lung cancer care. Because were committed to bringing new hope we do things differently and aother money managers, dont understand why. Because our way works great for us but not for your clients. 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Finally tonight here, the children teaching us what it means to be america strong. So many children going back to school, and that question. What did you do this summer . How did you cope this summer . And Cartier Carey and his answer. 11 years old, hampton, virginia, and he spent his summer at his lemonade stand. Raising money to buy diapers and wipes, supplies for parents who have needed help during this pandemic. Hi, david, my name is Cartier Carey. This is my first day. It was his first day back today. His School Online for now, but hes still hard at work on his own assignment. Loading up that truck. More than 22,000 diapers so far. So many families touched. His mother sharing this video with us, of another mother who was moved to tears, saying, this boys work reminded her of a time when she was in need, too. You are helping so many people, you have no idea. You see this truck . I didnt always have this truck. I lived in a church home. And coming from where i came from and now here, its because of people like you. People gave me diapers, you know . You are an amazing young man. And you can go far. You start now. You should be so proud of him. Thank you, i am. Cartier telling us today about that moment this summer he wont forget. It was hearttouching. I almost cried myself when she gave me a hug and started crying. After that, that made me just want to keep doing it. Tonight, cartier back to school, but still on that mission. Others can make a difference just like im doing right now. They can save lives and be heroes. Theyre never too young. We loved cartiers message on his first day of school. The power is out in parts of the north bay and it probably wont come back to tomorrow. There is real reason to worry about wildfires. Good evening. Im ama daetz. And im dan ashley. This sign says it all. Extreme fire danger. It is why mt. Diablo state park is closed. It is still hot and winds are picking up, leading to a red flag warning. The sky is filled with smoke from the already our spare the air days arent over either. Any minute we speck an update on the power shutoffs underway before the 18,000 customers in Sonoma County and about 5,000 in napa county lost power overnight and probably wont get it back until tomorrow. Well bring you pg es update as soon as it happens. We do have a team of weather experts keeping track of the conditions. Drew tuma is live on the roof monitoring air quality, plus spencer christian. It may seem surprising that fire danger is up as temperatures are dropping sharply. Look at the 24