building strength at the coast. >> that's all for now, coming up next, nightly news with lester holt tonight, president trump's unprecedented new threat targeting former top national security chiefs, threatening to strip security clearances. is he using the power of the presidency to try to silence his critics? also, the fallout from that all caps threat to iran. is there a strategy behind the bluster? the mystery after the mass shooting rampage in toronto. why did a gunman dressed in black suddenly open fire on a busy street? >> the scariest thing is nobody knew it was going on. >> 15 people shot, a 10-year-old girl among the dead. dangerous weather from coast to coast. bracing for severe floods in the east, baking under scorching heat in the west. who is watching you when you hop in an uber or lyft? a driver fired after

live streaming hundreds of rides, passengers unaware they were online for anyone to see. and a sudden collapse caught on camera. the shocking moment a miami beach condo building comes tumbling down. >> announcer: this is "nbc nightly news" with lester holt. good evening and welcome to our viewers in the west. the white house is taking aim at several top level national security officials who have been publicly critical of the president. threatening to yank their security clearances. the list includes former cia director john brennan who minced no words in his criticism of president trump's performance at the helsinki summit. the white house tonight accusing brennan and five others of politicizing their clearances could be seen as an act of political retaliation by the president against his critics. our chief white house correspondent hallie jackson has details.

>> reporter: it's an unprecedented threat aimed at critics of the commander in chief's. the white house considering stripping the security clearances of six former intelligence officials. >> they politicized and in some cases monetized their public service and security clearances. >> reporter: most of the officials have worked for democrats and republicans and have been tough on president trump publicly. >> isn't the president doing exactly what you just said the president doesn't want all these people doing? >> no, the president isn't making baseless accusations of improper contact with a foreign government and accusing the president of the united states of treasonous activity. >> reporter: that may be a reference to john brennan, former cia director and nbc news senior national security and intelligence analyst who called last week's meeting with vladimir putin nothing short of treason. >> basically aiding and abetting, giving comfort to an enemy. >> reporter: he's on a list that includes former fbi officials

james comey and andrew mccabe, neither have security clearances because they were fired. michael hayden former cia director said the threat won't have any effect on what i say or write. susan rice silent for now. >> i think this is just a very, very petty, petty thing to do. >> reporter: former intelligence leaders typically keep their clearances to talk about sensitive matters with their successors. >> a security clearance is very valuable for former officials in the private sector so to lose one could amount in a financial penalty. >> reporter: but the president himself is not usually personally involved in decisions to revoke that clearance. to critics, it's political punishment. >> it concerns me greatly if this white house breaks precedent in trying to attack former members of the intelligence community because they simply express their views and first amendment rights. >> reporter: john brennan tonight by the way declined to comment. the press secretary is also not commenting on another story making headlines out of washington.

the trial of former trump campaign chair paul manafort. jury selection was supposed to start wednesday but that's been delayed by about a week to give defense attorneys time to review new evidence. lester? >> hallie jackson at the white house tonight, thank you. on another major front, a dramatic escalation of the war of words between the u.s. and iran. president trump taking to twitter and telling iran never to threaten the u.s. again after iran's president warned the u.s. of the quote mother of all wars. nbc news white house correspondent kristen welker has the story. >> reporter: it's twitter takedown heard around the world. mr. trump tweeting to the iran president never, ever threaten the united states again or you will suffer consequences the likes of which few throughout history have ever suffered before. we are no longer a country that will stand for your demented words of violence and death. be cautious. today the president pressed on his aggressive approach. the hardcore warning seemed to be prompted

by iran's president who threatened america should know peace with iran is the mother of all peace, and war with iran is the mother of all wars. the president's tough tone highly coordinated with secretary of state mike pompeo launching his own harsh attack just hours before. >> iran is run by something that resembles the mafia more than a government. >> reporter: in two weeks the trump administration is poised to repose hash sanctions suspended under the iran nuclear deal. mr. trump pulled out of the obama era agreement in may. administration officials tell nbc news, the president is using a maximum pressure campaign to get iran to abandon its nuclear ambitions, similar to the strategy with north korea. >> fire and fury like the world has never seen. >> reporter: experts say war is unlikely but could there be a change at the top? >> more likely he is trying to push the iranians and get the

people of iran to be more concerned about their leadership. >> reporter: press secretary sarah sanders sidestepped a question about regime change and said the key focus is stopping iran from having nuclear weapons no matter who is in charge. lester? >> kristen welker at the white house, thanks. to the mass shooting mystery in toronto. 15 people shot, two of them killed including a 10-year-old girl when a gunman dressed in black suddenly began shooting on a busy street. police identified that accused gunman late today. a city in shock, many people are asking why. nbc's gabe gutierrez has more on the search for answers. >> reporter: tonight, toronto's greektown, one of canada's most popular neighborhoods is shut down. >> apparently multiple shootings in the area. danforth. >> reporter: police swarming the scene after gunshots ripped through danforth avenue. >> i heard at least 20 shots. clip being spent. reloading. clip being spent. reloading.

that's what i heard and then i saw the carnage as i ran down the street. >> reporter: the gunman dressed in all black seen on this chilling video posted on social media. >> one woman run and she fell and he went over her and shot her twice point blank. >> reporter: carrying a shoulder bag he suddenly stops, pulls out a handgun and opens fire shooting 15 people. >> so he had a calm about him, that i can say, and he started shooting just right past us. >> reporter: did you think you would make it out? >> you know, i don't think we had time to think. >> reporter: jody was inside one of the restaurants nearby with her family celebrating her birthday. >> thank goodness my birthday cake was ten minutes late because if we had finished ten minutes earlier, we would have walked out of the restaurant where the shooter was. >> reporter: the 29-year-old gunman from toronto identified as faisal hussain died after a shootout with police. >> again, i can't speak to what was in this individual's mind. >> reporter: traditionally gun violence has been rare in canada but in

toronto there is a recent spike with violent shootings more than doubling in the past three years. >> i've said for some time the city has a gun problem in that guns are far too readily available to fire too many people. >> reporter: this time among the dead 18-year-old reese fallon and a 10-year-old girl. the reason behind the rampage is a mystery. u.s. law enforcement sources tell nbc news the gunman was not on any watch lists. as far motive, investigators are not ruling out terrorism. late today the gunman's family said he had struggled with psychosis and depression his entire life. lester? >> gabe gutierrez nto for us. thk now tohe dangerous weather hitting from coast-to-coast tonight including flash floods already in parts of eastern pennsylvania. roads looking like rivers and high-water rescues happening and the threat continues for several days. and in the west, triple digit heat. al roker on the road in maine now monitoring it for us. al, what is it looking like? >> reporter: well, lester, we're talking first about the rain

and while we got a little break here, we're basically looking at rain stretching along the i-95 corridor. you can see all the way from new england down into the gulf coast, heavy rain. right now 37 million people at risk for a flash flood with downpours causing sudden floods, heavy rain and saturated soil a real mess. in fact, you can see we got a moderate risk of flooding tomorrow stretching from pennsylvania all the way down into virginia. as this system moves out, it's going to take its own sweet time. we're not looking at any rainfall movement from this thing. two to four inches per hour before it's all over. and the heat out west, we've got heat stretching all the way from the pacific northwest into the gulf coast for 67 million people. records are possible tomorrow from texas all the way into california. we'll be watching this very closely, lester. it will be going all the way into the beginning of next week. >> all right. al roker, thank you. a somber scene in missouri today as the sunken duck boat that claimed 17 lives last week was raised from the water. while the victims' families struggle to

cope with their loss, troubling questions persist about whether the boat was fit to be on the water and potentially missed warnings. nbc's ron mott has the latest. >> reporter: the sunken duck boat that had become a water logged tomb for 17 that died was pulled to the surface. whether it holds clues remains to be seen. by ripley entertainment is speaking out about the red flags he reported last summer. >> one issue is the canopy on the ducks, as well as curtains that come down the sides, when the curtains are down, there is no way for people to escape. >> reporter: steven paul says his inspection report questioned the sea worthiness of the boat's design, especially when the rollup window curtains are down and locked closed raising concerns about escaping. >> there is escape from the back. if you can imagine being in a sinking

ship like that with only one exit, it would be devastating. >> reporter: he says people trying to get out can be pushed into the canopy by rushing water and trapped. ripley entertainment as not responded about the report. >> if i was able to get a life jacket, i could have saved my babies. >> reporter: today life jackets could be seen dangling from the roof of the wreckage. tia coleman said the captain told them they weren't needed. >> they could have at least floated up to the top and somebody could have grabbed them and i wasn't able to do that. >> reporter: in all, nine members of the coleman family from indiana pictured here just before boarding died. 17 lives lost in what many are saying was a preventable accident. ron mott, nbc news, branson, missouri. speaking out today, survivors and vegas massacre. mgm owns the mandalay bay hotel where a gunman opened fire from the 32nd floor on to a music festival. the company is suing in a bid to avoid liability.

nbc's joe fryer has the story. >> reporter: they were victims during the las vegas shooting last year. >> i couldn't help anybody. >> reporter: now they feel like they are victims again because they are being sued. >> it brings it all up again and takes me right back to being helpless. >> reporter: facing hundreds of civil lawsuits, mgm resorts owner of the mandalay bay sued the victims back. today at an emotional news conference, survivors and relatives of those who died expressed outrage. >> who does that? you know, it's like being kicked again to the ground. >> reporter: mgm is not asking for money from the victims but does want a federal court to hear the cases. the company says under federal law, it's immune from financial liability because it relied on a security firm certified by the department of homeland security and the government ne declared it as such. today mgm said we litigation.

adding it's looking for the best and fastest way to resolve these cases. victims argue mgm did not do enough to stop the attack. steven paddock stockpiled bringing over 20 suitcases. he killed 58 people including hanna. >> that's when i saw my wife laying flat on her back. and i laid down, you know, face down on top of her. and that's where i laid for the entire shooting -- the entire attack. >> reporter: the impact of that night still felt strongly today. joe fryer, nbc news. now to the new questions about who is watching you when you hop in a ride share ke both companies say they have fired a st. louis driver that recorded passengers in his car and live streamed their rides online for anyone to see. the passengers unaware they were being broadcast live on the web.

here is nbc's stephanie gosk with more. >> reporter: personal conversations, embarrassing behavior, names and even images of passengers' homes were streamed live on the internet by this st. louis driver. >> yeah, we need some content, man. we haven't really had content. it's been a couple weeks since we had good content. >> reporter: nobody knew the video was going online according to "the st. louis post dispatch." >> the riders that i spoke to were shocked they were on camera. they had no idea and a lot of them felt violated. >> reporter: jason who worked for both uber and lyft drove hundreds of people since march reports the paper. here he is half heartily promising not to show people's houses. >> i'll probably forget half the time but i like to pretend like i remember. >> reporter: both lyft and uber dumped him from their service after the story was published. he did not return nbc news's request for comment. he told the paper he sees nothing wrong with what he did and he may not have broken the law. in 39 states and d.c., conversations can be

legally recorded with consent of just one person involved. >> some of the laws written in a time when wiretapping was new, which is in the early 20th century. >> reporter: do states need to look at these laws and potentially update them? >> states do not just need to look at recording laws. they need to look at all of their privacy laws. >> reporter: especially now when a simple ride home can end up online for the whole world to see. stephanie gosk, nbc news, new york. still ahead here tonight, caught on camera, a father killed in a parking lot confrontation but the shooter not facing charges under a controversial law. we'll be right back.

we're back with the uproar over a deadly confrontation in a convenience store parking lot. a father fatally shot in front of his family and the incident caught on surveillance camera. but the shooter is currently not facing charges under florida's controversial stand your ground law. nbc's tammy leitner is there. >> reporter: in this surveillance video an

argument over a handicap parking spot turned deadly. >> he was just trying to protect us. >> reporter: 28-year-old markeis mcglockton who is black went into the store to buy snacks for his kids and michael drejka confronted the woman. while she sat in the car. jacobs said he came to the defense, shoving him to the ground. he pulled a gun and shot the unarmed father of three. >> he felt after being slammed to the ground that the next thing was he was going to be further attacked. >> reporter: drejka who has a permit to carry a concealed weapon was not arrested or charged because of florida's controversial stand your ground law, which gives people in the ght to protect themselves using deadly force. >> if this were to happen in a state that did not have stand your ground laws, i believe the shooter would have -- would already be arrested and would be going to trial for murder. >> reporter: stand your ground became part of the national conversation after

george zimmerman killed an unarmed black teenager trayvon martin in 2012. zimmerman was acquitted of murder. as protesters demand action, friends and family grieve. >> i clearly don't think it's right that you can literally gun someone down, ten hours later you walking the street. it's not right. >> reporter: the video now in the hands of the state's attorney's office to determine if the controversial law in this case will stand. tammy leitner, nbc news, clearwater, florida. coming up, food safety warning, the major recall for a popular brand.

a sudden collapse caught on camera in miami beach where authorities say a 12-story condo building set to be demolished instead came tumbling down. one person was critically injured. the debris raining down onto the street.

investigators trying to figure out what triggered the accident. a recall tonight involving a snack in a lot of american homes. 16 varieties of ritz crackers and ritz bits being recalled because of the potential risk of salmonella in the whey powder. the company that makes them says no illnesses have been reported. we put the full list on facebook. one fast food chain wants to change the way your family eats dinner. chik-fil-a is taking on the likes of blue apron and amazon by testing out meal kits to go at dozens of locations with ingredients for dishes not on its usual menu like chicken parmesan and enchiladas. up next, summertime and the national past time. the league keeping kids off the streets and inspiring america. young woman on bart.

describe the volatile actions -- he known for. plus, thousands of facebook employees lose a fantastic perk! the food ban... and who stands to profit from it. next. right now at 6: no free food at this facebook

finally tonight the power of america's national past time. one city striving to leave the violent image in the past, baseball isn't just about summer fun, it's also a powerful lifeline for kids in the community. we get the story in our "inspiring america" report. in the shadow of philadelphia's gleaming skyscrapers, just across the river in camden, new jersey, the opening day of little league baseball is nothing short of a major league miracle. in so many community no one would bat an eye on this. kids playing baseball in the summer. it's normal but wasn't happening here. >> for close to two decades, baseball and softball had disappeared from the landscape here in the city of camden. >> brian grew up here amid the crime and did time himself for armed robbery. but he turned his life around, got a master's and founded a little

league to keep kids off the streets and on the fields. >> we're using baseball to tackle a number of social issues. public safety, we're displacing crime. redeveloping the social fabric that had disappeared. >> and it's working. though it can't get all the credit since little league started six years ago, crime has dropped 40%. the adults say the good thing about the programs, it keeps kids from getting in trouble. do you believe that? >> i do. i've seen less and less crimes from youth now that the baseball team is here. >> describe to me a perfect day on the baseball field. >> i get to play like hit and catch. >> what's the message to other communities pasts? >> the message is simple. get out there and play. play is important. play is crucial. >> for his hometown, it's a home run. coming up tomorrow at the end of the broadcast, the nightly

snapshot, a phenomenon popping up across the country and taking social media by storm. that's "nightly news" for this monday. i'm lester holt. for all of us at nbc news, thank you for watching and good night. work space.. the new ruls turning heads in si right now it's 6:00. no free food at this facebook office. the new rule that's turning heads in the silicon valley. a police encounter at a lemonade store. the owner says he was racially profiled. new body cam video that has san francisco police standing by its offic officer. >> family and friends honor the teenager that was killed. this while the man hunt continues for her killer. the news at 6:00 starts right now. good evening and thanks for being with us on this monday. i'm raj mathai. >> and i'm jessica aguirre.

the focus is on finding an attacker. >> an alert to be on the lookout for this man, 27-year-old john cowell. he's a transient with ties to contra costa county. investigators say surveillance video identifies him as the man who killed 18-year-old nia wilson. in th happened last night at the macarthur b.a.r.t. station. she was an aspiring makeup artist. >> we have crews covering this developing story for you. we begin with melissa colorado live at the b.a.r.t. station. anil happening right hyped you. -- behind you. >> reporter: you can see 100 more people have gathered here for this community vigil right outside of the macarthur b.a.r.t. station here in oakland. people here are demanding justice for nia as the man