making news in america this morning, president trump's dramatic new threat to iran overnight warning that country to, quote, never ever threaten the united states. what prompted the statement and why iran's president is warning of the mother of all wars. breaking overnight, a mass shooting in canada as gunfire erupts on a toronto street. >> the suspect that's fleeing looks like possibly still shooting. >> a young girl is among the many victims. the investigation right now into the shooter's motive. new details on the duck boat tragedy in missouri. 17 people dead including nine members of the same family. this morning the safety warning issued one year ago and what the victims were told about the life jackets. also, the new study about the chemicals in our food and

the health risk for children. a golf star's unusual handicap, he admits being hungover on the course at the british open. his stunning results. and later, the height of laziness or a brilliant idea. the minivan lawn mower. a good monday morning, everyone. we begin with breaking news from canada. a deadly mass shooting on a busy toronto street lined with bars and restaurants. >> this video appears to show a man opening fire right here in the popular greek town neighborhood of toronto. dozens of shots were fired. police say at least one person, a young woman, was killed and a young girl is among the 13 people who were injured. >> police say the gunman was killed after a shootout with officers. they're now trying to dete toronto's police chief says they are not ruling out terrorism. but some city lawmakers say the shooter wasonly police, we shoud

point out, recently deployed extra officers in response to a spike in gun violence. we're going to bring you more details on the investigation as soon as we get it. but now we turn to the other breaking story overnight, an explosive new round of tough talk between president trump and iran. >> now, first up, iran's president made a brazen threat about war on sunday and then president trump hit back overnight with a fiery warning of his own putting iran on notice to never threaten the u.s. again or else, all in his words. abc's arlette saenz is in washington with the very latest. good morning, arlette. >> reporter: hey, kendis and diane, good morning. it's not the first time the president has made these type of threats. last year it was fire and fury against north korea, and now he's telling iran to stop their threats or else. back in washington, president trump fired off a late night all caps warning to iran. the president tweeted, never ever threaten the united states again or you will suffer consequences the likes of which few throughout history have ever

suffered before. around the same time, the president's secretary of state blasted the regime. >> the level of corruption and wealth among iranian leaders shows it is run by something more like the mafia than the government. >> reporter: he said war with iran is the mother of all wars and added, mr. trump, do not play with the lion's tail or else you will regret it. the escalating war of words comes as iran faces looming sanctions months after the u.s. withdrew from the nuclear deal. >> the fact is, this was a horrible, one-sided deal that should have never ever been made. >> reporter: the president's also dealing with more fallout from his sit-down with russian president vladimir putin. >> president putin, he just said it's not russia. i will say this, i don't see any reason why it would be. >> reporter: a statement he later walked back. a new abc news/"washington post" poll found roughly 50% of voters disapprove of the president's handling of the summit.

>> these are serious matters, and i think there's no ignoring the fact that for whatever reason, this president acts like he's compromised. >> reporter: after a week of walk-backs on russia's election interference, the president fired off another tweet on russia calling it all a big hoax. diane and kendis. >> arlette saenz live from d.c., arlette, thank you. meanwhile, the president is now accusing the justice department of misleading the court that approved wiretapping his former campaign adviser carter page. documents released over the weekend show that the fbi told the fisa court carter page was recruited by moscow and had been conspiring with the russian government. page calls those allegations ridiculous. this morning, we're learning more about that deadly hostage standoff at a trader joe's supermarket in los angeles. police say an argument between a man and his grandmother triggered the violence and as stories of heroism among the victims emerged, there are plenty of questions about exacw g store manager was killed.

this morning, a growing memorial outside this los angeles trader joe's. customers, co-workers, even strangers leaving notes and flowers for the store's manager, melyda corado, who was shot and killed during a three-hour standoff with police. >> shots fired at trader joe's. a 9 millimeter handgun. >> reporter: they say it all began as a family dispute in south los angeles where 28-year-old gene atkins allegedly shot his grandmother seven times. >> i think the cause of the shooting pretty much has something to do with the girlfriend. the grandma didn't want the girlfriend over there at the house. >> reporter: police say one of atkins' bullets grazed his girlfriend in the head before he forced her into his grandmother's car and then took off while firing at officers as they followed. his vehicle eventually crashing into a pole outside the trader joe's where the gun battle with police escalated. >> then i heard like three or four pops in the distance. >> reporter: devin fields, a

writer for "jimmy kimmel live" was outside the store only feet away from atkins after the crash. he says he hid behind a concrete wall as officers exchanged fire with atkins in the parking lot. >> three officers ran up, knelt down, put their guns on the retaining wall, took aim for a moment and then opened fire. and then the gunman started returning fire at them or at least in their general direction and then they fell to the ground to protect themselves, and they told me to lie down at that point. so then we were all laying on the ground together. they were worried about the bullets going through the concrete wall we were all hiding behind. so they told me to wait. >> reporter: after getting shot in the arm, atkins ran into the store. d at aes our series of demands negotibeevedheha established a good rapport with him. >> reporter: some of those hostages hid in a back room, one girl texting her mother during the ordeal. >> they were barricaded in a room in the back. i don't think he ever even knew that that group of people were

there. >> reporter: several hostages could be seen leaving the store with their hands raised. some using a ladder to climb out of a window. atkins eventually requested handcuffs from police and surrendered. and atkins is held on $2 million bail. his grandmother survived the shooting and police have not said whether the store manager who was killed was shot by the suspect or was caught in the cross fire. turning to the weather, parts of california and arizona are bracing for extreme heat this week while here in the east the forecast calls for more drenching rain. severe storms triggered this flash flood in coatesville, pennsylvania. people at a at that time vern jumped into action to rescue people in the floodwaters which swept away several kegs and even a dumpster. now a look at your forecast for this monday morning. good morning. while the rain continues for the northeast, showers and thunderstorms from montreal, toronto, down to new york and

unfortunately d.c. despite the record-setting rain, more is on the way for the southeast, showers and thunderstorms from raleigh to atlanta, pensacola, jacksonville down to miami and then there's a sweltering heat, 100 and yikes is how much heat we're expecting throughout the southwest and that will continue throughout the midweek as well. i'm accuweather meteorologist paul williams. there's a safety recall involving ritz crackers. the health concerns coming up. but first an uber driver accused of secretly recording and live-streaming his riders in the backseat. why it was legal and what's happening to him now. new details about the circus stunt that went horribly wrong. the performer is okay. the mistake, though, that was made next.

a suspected gunman is in custody after a deadly shooting at a mormon church in fallon, nevada. police say the 48-year-old suspect walked into the church and opened fire killing one person and injuring another. he was later arrested after walking home. no word this morning on a motive. police in houston are seeking the public's help to solve the murder of a well-known cardiologist. this is a sketch of the suspect wanted the for the killing of dr. mark hausknecht. he was riding his bike to work last friday when police say the suspect rode past him and turned and fired two shots. police have also released a surveillance photo showing the alleged shooter riding away after the murder. hausknecht once treated president george h.w. bush. a driver for uber and lyft has now lost his ride after admitting he live-streamed passengers in the backseat without their consent. jason gargac is accused of posting video online of

more than 700 customers in st. louis including their conversations and addresses. some passengers who found out about the recording say they would not have consented if they had been asked. while they may not have liked it, the driver was actually not breaking the law. >> in the state of missouri, as long as one party and in this case it's the uber driver gives consent to the recording, it's not deemed illegal. >> 38 states have so-called one-party consent recording laws similar to missouri. 16 varieties of ritz crackers are being recalled because of salmonella concerns. the products include ritz cracker sandwiches and ritz bits including cheese flavored fillings. expiration is between january and april of next year. they contain powder that could be tainted with salmonella. a circus performer recovering after a terrifying mishap during a stunt in chile in south america. he was shot out of a cannon but he flew over the safety net and crashed into the floor breaking

his legs and his jaw. the operator of the cannon told local media that he failed to disconnect the air supply hose to the cannon which meant too much pressure was used. >> ouch. coming up, a top golfer admits that he was hung over at the british open. see his surprising results ahead. but first, are food coloring and preservatives putting your kids' health at risk? a new study about chemicals in our food. next, the investigation into that duck boat tragedy that took 17 lives. the safety warning issued and the message about life jackets. d bucket is a hassle, meaning you probably don't clean as often as you'd like. for a quick and convenient clean, try swiffer wetjet. there's no heavy bucket, or mop to wring out, because the absorb and lock technology traps dirt and liquid inside the pad. it's safe to use on all finished surfaces tile, laminate and hardwood. and it prevents streaks and hazing better than a micro fiber strip mop, giving you a thorough clean the first time. for a convenient clean, try swiffer wetjet with a money back guarantee.

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to visibly reduce wrinkles. neutrogena®. you finished preparing overhim for college.rs, in 24 hours, you'll send him off thinking you've done everything for his well-being. but meningitis b progresses quickly and can be fatal, sometimes within 24 hours. while meningitis b is uncommon, about 1 in 10 infected will die. like millions of others, your teen may not be vaccinated against meningitis b. meningitis b strikes quickly. be quick to talk to your teen's doctor about a meningitis b vaccine. investigators looking into the deadly duck boat accident in branson, missouri, are now analyzing this video from another boat as well as the data from the doomed boat's recorder. they expect to retrieve the sunken boat from the lake today. a former chairman of the national transportation safety board now says all duck boats should be banned calling them

unregulated amusement park rides. >> we get more right now on the investigation from abc's daria albinger. >> reporter: as the community gathered together to remember the 17 lives lost in that tragic tour boat accident -- >> we're here to honor the memory of those who lost their lives in the tragedy on table rock lake thursday evening. >> reporter: the u.s. coast guard prepares to bring that sunken vessel to the surface. divers have already recovered the boat's data recorder, which has been flown to washington for analysis. >> we think it'll show what the actions were of the captain. >> reporter: tia coleman lost her husband and three children as well as five other family members. the entire family seen here in this haunting photo taken just before they boarded the doomed boat. she said the captain told them where the life jackets were. >> you won't need them so no need to worry so we didn't grab them. >> reporter: but she believes her family may have survived if

they had worn them. >> i felt like if i was able to get a life jacket, i could have saved my babies because they could have at least floated to the top and somebody could have grabbed them and i wasn't able to do that. >> reporter: the time of the accident, table rock lake had near hurricane-force winds and six-foot swells. >> poor people. >> reporter: investigators now reviewing videos taken by passengers on another boat and they say they're treating this as a criminal investigation until they can rule out that possibility. daria albinger, abc news, new york. outrage is growing after the shooting death of a man in a florida parking lot invoking the state's so-called stand your ground law. demonstrators have been demanding justice for the death of markeis mcglockton. he was killed in clearwater during a confrontation over a parking spot. surveillance video shows mcglockton pushed michael drejka over. as drejka was arguing with mcglockton's girlfriend for parking in a handicap spot then

you see drejka open fire. >> he collapsed in front of my son and within 30 minutes he was gone. he was a good man and all he was trying to do was protect his family. >> if markeis mcglockton hadn't walked up to him and slammed him on the ground, we wouldn't be having this discussion either. >> no charges have been filed against drejka. stand your ground allows the use of deadly force if they believe they're at risk of great bodily harm. a new warning was released about the chemicals added to children's food. a study released overnight finds a link between common health problems and the additives that are used to preserve color and even packaged food. those health problems include obesity, adhd and early puberty. the american academy of pediatrics says hundreds of chemicals are in the food supply without government approval. to sports now and the british open has crowned a first-time winner and one other golfer had a great day despite a self-inflicted wound.frcemoon wa

major golf tournamentment. but everyone is talking about eddie pepperell. you see he finished tied for sixth despite being hung over because of the wine he and his coach enjoyed saturday night. >> i was a little hung over. i won't lie. i had too much to drink last night. so, you know, it's a funny game. >> his coach is going to bring wine to every tournament. >> he shot a 67. not bad at all. tiger had the lead for a short period of time. gave us some hope but in the end finished tied for sixth. still pretty good comeback there. up next in "the pulse," the stunning accomplishment of an 11-year-old with very big dreams. plus, shaquille o'neal pulled out of water when a shark breaks into his cage. and lazy or super smart. see the guy using a minivan to mow his lawn. lawn. (vo) this is not a video .

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♪ time to check "the pulse" and we're going to start with the basketball hall of famer, shaquille o'neal, who has kicked off shark week. >> the 30th anniversary of the discovery channel's summertime favorite includes shaq in a real shark cage, more importantly with real sharks but things went off script when a small shark found its way inside the cage. check it out. it kind of wriggles its way in there. ooh. shaq then decided it was time for dry land. >> you know, swimming in the cage with the sharks is cool but i don't feel like a man. getting out of the cage. >> are you sure? >> i'm serious. >> all right. that's the stuff, shaq. >> all right. coming with me? >> huh? >> you coming with me? >> what's that? >> you coming with me. >> no, god no. >> i love sharks.

>> now he says that. >> there you go. >> shaq initially claimed to be afraid of sharks, but he says he might be ready to swim without the cage. >> i think the sharks are more afraid of him. a florida student has just done what many would consider impossible. he has secured his college diploma at the age of 11. >> william maillis is 11 years old, and he just received his associate's degree. he started two years ago at the age of 9. he plans to attend the university of south florida. he hopes to become an astrophysicist. >> a mad dash to the dentist office after watching this latest drake-inspired dance challenge. >> everyone is swooning over dr. rich constantine after the dentist posted a video doing the shiggy entitled in my fillings and has 40 million views. >> one woman joked i have 12 wisdom teeth that need to be pulled and i think my baby teeth are trying to come back. i just need an appointment immediately. >> someone else wrote i ordered a pound of gummi bears and washing it down with fruit

punch. cavity watch. i never wanted one so bad. >> a lot of people want a root canal because of dance moves. finally for anyone who dreads mowing the lawn. >> a guy in ontario hitched the mower to the back of his minivan to make mowing the lawn a whole lot easier. >> the neighbor who shot the video says the grass was too long and the guy's lawn mower kept stalling so this was his solution. >> he's going so fast. >> it's creative. i'm not sure it's super accurate. he's just going to have a racing stripe down the center of his lawn. >> more news after this. ♪ go your own way copd tries to say, "go this way." i say, "i'll go my own way, with anoro." ♪ go your own way once-daily anoro contains two medicines called bronchodilators that work together to significantly improve lung function all day and all night. anoro is not for asthma. it contains a type of medicine

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single-serve mix-in pax. good morning, bay area. let's get up and get going. >> this is "abc 7 mornings." >> good morning. >> good morning. >> good morning. >> good morning. >> drinks. it's monday, july 23rd. >> 4:27 in the morning. mike is back from vacation. >> hi. >> nice to see you again. >> nice to see you guys. excuse me, brought warmth with me. let's take a look and show you what's going on. hi, everybody. the temperatures are running in the mid 50s to novato at 55. some of the heat getting in around morgan hill 95, east bay valleys, ukiah, mid to upper 90s, 60s along the coast. a look at how the day breaks down starting at 7:00, here's alexis. >> good morning, mike. taking a look at the roads this morning off to a fairly quiet

start. starting to fill in all of our usual spots. that includes the bay bridge toll plaza cash lanes stacking up until they get a few more booths open. fastrack users not having delays through the middle. drive times, westbound 580 tracy to dublin, 41 minutes, dublin to mission boulevard looking great at 15, and no delays as expected northbound 85, 101 to cupertino, 16 minutes. alexis, thank you. on to deal news on the bart stabbing that killed a young woman last night at macarthur station. police right now still looking for a suspect. >> bart police say the stabbing appears to be random. abc 7 news reporter cornell bernard live for us in oakland. >> the search on for a suspect in the horrible crime. we can tell you the macarthur station has reopened after it was closed last night about 9:45 following what appears to be a random double stabbing. now bart officials say two young women were getting off the warm

springs bound train at the macarthur station last night when a man approached them stabbing one woman to death and wounding another. the suspect described as a white man in his 20s or 30s with a heavy build ran away for the bart station and the search for him goes on this morning. bart. >> bart police pulled the train video and also have the station video. they're looking at it. at this time they're not willing to release the exact circumstances of what took place before the attack. >> reporter: now the woman who survived the stabbing remains in the hospital. we're told she's in stable condition. bart will provide updates about things horrific crime throughout the morning. anyone with information encouraged to call bart police. live in oakland, cornell barnard, abc 7 news. >> thank you. this morning, police in toronto are trying to figure out why a gunman opened fire in a busy street. one person was killed, 13 others

hurt in the mass shooting last night. the gunman was killed in a shoot-out with police. >> [ bleep ]. witnesses said they heard between 20 and 30 shots fired. the shootings took place in an area known as greek town. the 13 injured include a girl under the age of 10 in critical condition. >> shocking. absolutely shocking. this is a street where people walk every day to go do their groceries, to have dinner, to have an ice cream, sit in the square, enjoy their summer. this is absolutely devastating. >> police at this point say they know nothing about this gunman or why he opened fire. investigators have not determined if this was an act of terrorism. it is 4:30. if you are just waking up to is us, good morning. a quick update on your weather and traffic and