in california, this guy trespassing to cool off. also tonight, former president trump on the stump and sounding off. >> if i weren't running, i would have nobody coming after me. >> despite deepening legal peril, is he still the candidate to beat? >> donald trump is running to stay out of prison. >> this republican rival booed in iowa. >> the truth is hard. president biden publicly acknowledges his 4-year-old granddaughter for the first time. front line fight. new video of ukrainian troops on the offensive, while a r russia strike hits s civilians, w with cbs news crew nearby. >> two russian missiles slammed into an apartment complex and national security building. splashdown. >> oh! >> what happened after a pilot went down off a new hampshire beach. plus, new scrutiny for amusement park rides. this one just won't stop. and later, it is a fashion phenomenon. >> you have a few pairs? >> yes. >> how many is a few? >> over 100. >> sneakers taking over the workplace, even in the halls of congress. this is the "cbs weekend news" from chicago with adriana diaz. good evening. sweltering, scorching, sizzling. there are many ways to say it is hot. and millions of americans are once again this weekend feeling it. but there is relief in sight, including in the steamy southwest, where the heat has been historic, punishing, and deadly. tonight, more than 100 million americans in at least 20 states remain under heat alerts and advisories, from coast to coast. cbs's michael george leads us off tonight from new york. michael, good evening. >> reporter: adriana, good evening. and it's a humid, sweltering evening. over 90 most of the day, with a heat index closer to 100. the northeast getting scorched this weekend, capping off the hottest july ever recorded. when it's this hot, access to cooling isn't just about comfort. it can be a matter of life and death. >> i am concerned, because if the power goes out, you know, i have -- my mom is elderly, the ac blowing out would not be okay for us in the heat. and especially, like, the kids, too. >> reporter: as new yorkers try to cool off, power grids are at risk of overheating, too. the city's utility company is warning people to use their acs only as much as needed. >> everyone is using their air conditioners, and what it can do is, it can overheat our system. and that can cause outages. >> reporter: temperatures are so hot in tucson, arizona, even cacti are dying. phoenix has spent nearly a month enduring temperatures over 110 degrees. wild weather in the midwest, as people spotted this tornado near iowa falls. a heat-related tragedy in lake station, indiana. humane society officials say as many as ten police dogs were killed when the ac failed in the truck they were being transported in. in minnesota, the lack of rain has been devastating for farmers. >> we're, i don't know, three, a good three inches behind, and so, that's really affected our corn crop. >> reporter: the heat brought this unwelcome visitor to a woman's home in burbank, california. he thought he'd cool off in her pool before taking a nap in a tree. in new york, tourists hoping to enjoy a summer sight-seeing cruise are now questioning their decision. >> pretty hot, but we are here to enjoy new york city. >> reporter: now, if you want to stay cool indoors without putting a strain on the power grid, energy officials say the magic number to set your thermostat to, 78 degrees. adriana? >> good to know. michael george, thank you. let's get the forecast now from meteorologist paul goodloe from our partners at the weather channel. >> adriana, a lot of people want to know, when will this end? we're in the midst of ending it here in the northeast. new england, at least temporarily. the cold front is coming through with lots of storms, strong and severe throughout the rest of this evening. and then as we head on towards sunday, the sun comes up and it's a different atmosphere here. humidity has dropped across the northeast, parts of the great lakes, even new england. and our temperatures, some 10 to 15 degrees cooler than yesterday -- or today, even yesterday, as well. so, what you see is what it feels like. there's no heat indices across the northeast. the rest of the country tomorrow still in the steam bath here. these are actual temperatures. and guess what? they're hot, it's humid, and it will stay that way, even into next week. we're talking the heat builds back into the southeast for much of this coming week. >> paul goodloe of the weather channel. to politics now. former president donald trump is on the campaign trail in erie, pennsylvania rallying supporters. this as speculation swirls that he faces another indictment and deepening legal peril. cbs's christina ruffini has more, including news from a republican gathering in iowa. christina? >> reporter: the weather is not the only thing that's hot. the race for the white house is heating up. both president biden and former president trump may be learning that one of their biggest political liabilities could be close to home. ♪ one could end up going to prison ♪ >> reporter: seemingly undeterred by an unfortunate choice of entrance music, or his mounting legal troubles, former president trump told iowa republicans last night, he plans to win. >> there's only one candidate, and you know who that candidate is, who is going to get the job done. >> reporter: three new charges were added to the federal case against trump in florida this week, including an alleged violation of the espionage act for supposedly sharing a confidential war plan with guests at one of his clubs. >> this is highly confidential. hello, iowa! >> reporter: so far, only a few of trump's lesser known republican rivals have called out his legal issues. >> donald trump is running to stay out of prison. and if we elect -- >> reporter: that's because the former president is still very popular with the gop base. leading many of his primary contenders to focus their fire on president biden. >> i truly do believe that president joe biden has weakened this country. in two short years. >> reporter: several have criticized the 80-year-old for initially failing to acknowledge the paternity of a seventh grandchild, fathered by his son, hunter. >> i have six grandchildren, and i'm crazy about them. >> reporter: yesterday, president biden issued a statement, acknowledging the little girl named navy. saying, quote, this is not a political issue, it's a family matter. but potential republican rivals seemingly disagree. >> when you go and you talk about family values, it's odd he wouldn't acknowledge one of his grandchildren. >> i want you to know, i know how many grandchildren i have. >> reporter: now, in that same statement, president biden said he and first lady jill biden just want what's best for their grandkids, including navy. adriana? >> christina, thank you. tonight, five people are recovering after they were shot in seattle. dozens of rounds were fired in a parking lot toward a community outreach event. two of the victims inured critically. police say they are searching for at least two gunmen. now, to the war in ukraine. tonight, new video from the front lines nearby bakhmut, as ukrainian troops push forward against russian forces. russian missiles also struck targets in the city of dnipro. a cbs news crew was nearby when those rockets hit. >> reporter: good evening, adriana. we had just arrived here in dnipro after driving several hours from kyiv, when we heard two back-to-back booms. this apartment complex was one of two buildinings hit by russi hypersonic missiles. its top floor almost totally destroyed. stunned bystanders watchched as smoke billllowed into ththe sky. neighbors counted their blessings. "windows were blown out right in front of my eyes," said this man. ukraine's president volodymyr zelenskyy called it russian missile terror. and posted this video, acknowledging the second missile hit this building, used by ukraine's security services. like the cia and fbi rolled into one. its government link obvious. the mayor said it's been largely empty for months. ukraine's security services building was targeted twice before. this third missile finally hitting its mark. as for this apartment complex, it's a new build, but thankfully, few people had moved in. like margarita. she says her husband was inside doing renovations only an hour before russia's attack. >> i hate this country, this people, that they are do nothing, they are just sitting, watching tv, listen to their propaganda. >> reporter: just a few hours earlier, russia claimed it shot down two missiles filed from ukraine. fragments from one damaged buildings and injured 15 people. and today, ukraine's military released this footage of troops storming russian trenches on the eastern front line nearby bakhmut. and president zelenskyy nearby in an underground bunker handing out awards to special ops forces in a morale boost. but the priority for ukraine's military is to push south, nearly 100 miles, adriana. and the goal is to cut off russia's vital land access to occupied crimea. >> rami, thank you. today in japan, another victory for katie ledecky. she is now america's most decorated swimmer. at least by one measure. she won her 16th individual world title, surpassing michael phelps for the most individual gold medals at the world championships. ledecky's victory in the 800-meter freestyle marked the sixth time she's won that event. that is also a record. tonight, there are new concerns about the safety of rides at amusement parks and summer fairs. this ride would not stop as riders pleaded with operators to pull the plug. the latest example of trouble. cbs's elise preston is in los angeles with more. good evening, elise. >> reporter: good evening to you, adriana. a break in the heat here in southern california has many enjoying the outdoors, but for those seeking an adrenaline rush, it can come with some risks. thrill rides are a staple of summer, and as more fairs and carnivals kick off, so do concerns of the danger. this weekend, a second crack was found in the metal of one of the world's tallest roller coasters. the fury 325 in charlotte, north carolina, closed june 30th after a father on the ground spotted a support beam bending from a break. >> i look up and i see light through the pole. >> reporter: park officials say they are still conducting tests and maintenance. popular ride at a park outside new york city is also shut down after a terrifying malfunction. earlier this week, thrill seekers on the music express were stuck spinning backwards for about four minutes. the ride finally stopped when crews shut off the power. park officials blame an electrical problem. inspectors in the chicago area are trying to figure out how a child was thrown at least ten feet from this ride. the 10-year-old boy is finally home, recovering from serious injuries. >> oh, my goodness. >> reporter: and earlier this month, in wisconsin -- >> this is just scary. >> reporter: a roller coaster got stuck, stranding riders upside down for three hours. each year, there are about 32,000 injuries from amusement park rides alone. injuries increase during the summer, because more people are outside swimming, participating in sports, and for kids, playing as hard as children always do. adriana? >> elise preston, thank you. today, danger in the ocean off hampton beach, new hampshire. a small plane splashed down in the water about 30 feet offshore along the beach full of people. the plane was flying low pulling an ad banner. it flipped over in the water. fortunately, no one was injured, including the pilot. and here we go again. except, forget the millions, it is the megabillion jackpot. in fact, over $1 billion. that's right. there was no winner last night, there have now been 29 consecutive drawings without a grand prize winner. your next chance to win is tuesday. straight ahead on the "cbs weekend news," ripple effects. how hollywood's labor troubles are shutting down movie magic far beyond tinsel town. also, seismic swifties. what science has captured about taylor swift fans shaking it off in seattle. and later, fashion politics. getting to the soul of the latestst bipartisasan trend ini cocongress. ♪ non-drdrowsy clariritin knocks o out symptomoms from over r 200 allergrgens. withouout knockingng you out. fefeel the clalarity and makeke today the mostst wonderfulul time of thehe year. live clariritin clear.r. these hands used to hold me as a little girl. would comfort me. but now, they've become aggressive. thisis mouth u used toto sing me l lullabies.. now, it's s unrecognizizable. if your loloved one wiwith alalzheimer's s dementia has s become agigitated, it's not t their faultlt. they couldld have agitation in alzlzheimer's d dementia, which can n cause behahavior bebeyond theirir control.. hehelp your loloved one. learn morere at agagitationinanalz.com. want more e from your r vitam? 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>> yes. >> ho >> a few. >> reporter: how many is a few? >> 100. maybe more. >> reporter: he says congress is finally catching up to the rest of the country, as many americans continue returning to the office from covid. >> if you go into office buildings, people have already started to abandon, you know, oxfords. >> reporter: the flood gates began to break in may, when house leaders wore dress sneakers to a meeting between congressional leaders and president biden in the oval office. a room which, for generations, has strictly been the land of oxfords and loafers. at a sneaker consignment shop in baltimore -- >> this is what everybody wants. >> reporter: berto tells us business comes from businesspeople, in suits. men and women. >> women are 100% sneakerheads just like men are. there are women that have better collections than men do. >> reporter: "washington post" fashion journalist robin gavon says it's the latest sign of a generational change in american offices and cubicles. >> it's their way of saying they're not going to completely play by the rules, that they're their own person. >> reporter: at the capitol, sneaker caucus, hoping talks of sneakers can help break the ice and break some of the gridlock. you wear this to work, somebody from the other party might talk to you about them. >> well, that's the whole idea. >> reporter: change in washington is always gradual. if you walk towards the house speaker's lobby, with sneakers like these -- they'll turn you away. when it comes to shifting the dress codes, washington would rather walk before it runs. scott mcfarland, cbs news, washington. that is the "cbs weekend news" for this saturday. first thing tomorrow, "cbs sunday morning" with jane pauley. then on "face the nation," margaret brennan's guests include republican presidential candidates nikki halaley and as hutctchinson. fofor now, i'm'm adriana d diaz chicagago. thanks foror watching.g. good n night. from cbs news bay area, this is the evening edition. >> a driver hit during a freeway shooting today in oakland, we will have the latest on their condition and the search for suspects. and a wildfire moves toward pleasanton, we will tell you the status of the evacuations. thousands of taylor swift fans poured into levi's stadium for night two of the torque. evacuations have been lifted in pleasanton as fire crews worked to contain a wildfire near shadow coast regional recreation area, firefighters are asking people to avoid the area near stanley boulevard in valley avenue. you can see the smoke from the caltrans alert cameras, the helicopters were brought in to do some water drops on the fire. luckily those evacuations have been lifted, but it is a warm and dry day on the east bay. >> it was breezy, the way the smoke was getting pulled over. it is also happening in san jose right now, so since we've got so many people who are getting together for the taylor swift concert,