making news in america this monday morning, terror in london. new details overnight about the attackers, why they may have been waiting for months to carry this out. and the message from isis that possibly triggered it all. president trump is talking about that attack for the first time. the comments overnight come after a series of controversial tweets that challenged london's mayor and mocked gun control supporters. we're live in washington with the details. unfazed. a man casually mowing his lawn, but look out, a tornado lurking in the background. what he's saying this morning about the image. >> got to mow that lawn. and a star-studded night in manchester, england, as ariana grande returns after the bombing at her concert. see the long list of performers and the emotional moments and tributes.

quite a scene overnight in the uk, but we're going to start this morning, we're tracking the new developments in the london terror attack starting with the investigation. >> police have detained a number of people in those overnight raids after arresting 12 people yesterday. isis has also claimed responsibility for the attack which killed 7 people and injured nearly 50. and campaigning resumes today for the uk general election. voting will take place on thursday as scheduled. also rail and subway stations re-opened this morning and so did the london bridge where the massacre began. >> so far one of the people killed has been identified. canadian christine archibald was living in europe with her fiance. it was her first time visiting london. and london's top police officials said this morning they believe they know the names of the attackers and are working to find any accomplices. >> they say the terrorists may have been ready to strike for some time. overnight, police converging on east london, conducting more raids in connection with the

terror attacks, and this morning, the london bridge re-opening once again following a scene of carnage over the weekend. >> get moving. >> reporter: this white van veering into the crowd on the bridge mowing over helpless pedestrians. >> we heard a crash almost. >> a big loud noise. >> a lot of loud noises. >> reporter: three men get out armed with long knives and head towards the bustling borough market and begin stabbing people one after the other. police quickly cornering the suspects and then a hail of gunfire. all three attackers shot and killed wearing what looked like suicide vests but they were fakes. this morning british officials say the terrorists may have been waiting for several months to carry out their attack and the trigger, possibly this message posted by isis over the weekend calling on followers to use vehicles, guns and knives to attack. neighbors telling abc news one of the terrorists is of pakistani descent, the father of a toddler with a wife who was expecting.

others say they called police after learning about his radical views and he even complained his mosque was not devout enough. prime minister theresa may vowing tougher anti-terrorism measures. >> we cannot and must not pretend that things can continue as they are. things need to change. >> reporter: amid all this carnage stories of heroism. 19-year-old new yorker mark kindschuh rushing to help a man caught in the cross fire as police try to take down the suspect. >> i took off my belt and myself and the other man put the belt around sort of his head to apply pressure and stop the bleeding. >> reporter: and survivors recalling moments of bravery. >> i look over and there's this guy who is throwing a table at somebody. a heroic guy that saw what was happened and just bombarded these terrible cowardly people. >> the eyewitness accounts there from london. president trump is speaking out about the terror attack for the

first time. >> he is now denouncing the attack and pledging support to the united kingdom following a series of controversial tweets. abc's lana zak is live in washington for us with the details. lana, good morning. >> reporter: good morning to you, kendis and diane. this was the president's debut on the washington social circuit. he was hosting an event for the first time not at the white house or a trump property but instead he and the first lady holding a fund-raiser at the iconic ford theater. he took to the podium in a tux for brief remarks describing what happened in london as a horrific terror attack. he also added the bloodshed must end. the bloodshed will end. >> we renew our resolve stronger than ever before to protect the united states and its allies from a vile enemy that has waged war on innocent life. as president, i will do what is necessary to prevent this threat from spreading to our shores and work every single day -- >> reporter: and the president also said that the threat of

terrorism has gone on for too long. he said that he had spoken with british prime minister theresa may and offered the united states' assistance with their ongoing investigation. kendis, diane. >> all right. lana zak for us live from washington. and, lana, the president is also facing some backlash on social media for his initial reaction to that london attack. >> yeah, he took to twitter to use the attack as justification for enforcement of his stalled travel ban. and he slammed comments by london's mayor sadiq khan as khan was trying to reassure residents. londoners will see an increased police presence today and over the course of the next few days. no reason to be alarmed. >> reporter: well, the president tweeted at least 7 dead and 48 wounded in the terror attack and mayor of london says there is no reason to be alarmed. well, khan's office fired back saying the mayor has more important things to do than to respond to donald trump's ill-informed tweet. those recent attacks in britain and elsewhere have police now sharing their latest advice about what to do if you

find yourself in harm's way. >> that advice comes down to three key words, run, hide and fight. we spoke about it earlier with abc contributor and former fbi counterterrorism official steve gomez. >> if you can't run and you can't hide, you need to be prepared to fight and not be prepared to call somebody. you have to be looking for a chair, a trash can, something that they were talking about in this situation. and be prepared to now take out the terrorist with whatever means necessary. but, you know, you could worry about calling somebody later but you got to fight first if you can't run and hide. >> so the run, hide, fight strategy has been credited with saving lives in certain circumstances, but there are analysts who remind us that it's not a universal solution that will work all the time. and police departments across the u.s. are also on alert. there was some extra security last night at the nba finals in oakland, and the nypd stepped up patrols in times square as well. the fbi says there are homegrown terror investigations in all 50

states and that of the 2,000 potential terrorists in the u.s., half may have had contact with terror groups like isis. and back in britain authorities said a ring of steel was set up around last night's benefit concert for victims of the manchester terror attack. >> yeah, ariana grande performed throughout the concert before an audience of 50,000 people. it was held in a cricket stadium just a few miles from the scene of that suicide bombing. >> katy perry paid tribute to the manchester victims by wearing an outfit that included photographs of them in the shape of a heart on her back. the concert closed with grande's emotional performance of "over the rainbow." ♪ ♪ somewhere over the rainbow ♪ where bluebirds fly >> the concert raised about $3 million for the victims of the attack. the british red cross says it

has raised more than $13 million in total. >> that was such a beautiful moment. well still ahead right here, several arrests overnight after president trump supporters clash with other demonstrators. and russian president vladimir putin is talking about allegations that his country meddled in the u.s. presidential election. why he says we must have boring lives. plus, game two of the nba finals, not boring, the warriors looking unstoppable, though. we have the highlights.

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portland, oregon, appeared as a city divided as thousands of protesters converged on downtown creating a complicated situation for police. they used flash bang grenades and tear gas to keep anti-fascist protesters separated from supporters and opponents of president trump. there were 14 arrests and dozens

of weapons seized. russian president vladimir putin is dismissing claims that his country meddled in the u.s. election calling the allegations, quote, a load of nonsense. putin told nbc's megyn kelly that he had no relationship with president trump. he also denied having damaging information on the president and downplayed his personal interaction with former national security adviser michael flynn. putin also says the u.s. intelligence agencies that cite russian interference were misled. >> translator: for me, this is just amazing. you created a sensation out of nothing, and out of this sensation, you turn it into a weapon of war against the current president. well, this is -- you know, you're just -- you people are so creative over there. good job. your lives must be boring. >> putin added that in the grand scheme of things we don't care who's head of the united states. white house advisers say

president trump is not expected to invoke executive privilege to keep former fbi director james comey from testifying on thursday in front of congress. comey is set to face senators looking into possible obstruction. now, the president has already publicly revealed parts of his private conversations with comey. aides say trying to silence comey would be more damaging than to let him speak. now, the white house is turning its attention in the meantime to the nation's crumbling roads and bridges. the president is launching a major push for his plan to modernize the country's infrastructure. he's calling for a trillion dollar investment. now, mind you, $200 billion of that would come from federal funds and the rest from states, local governments and the private sector. now, to a developing story, there's some diplomatic chaos in the middle east as four arab nations cut ties with qatar, saudi arabia, bahrain, the united arab emirates and egypt all made separate announcements this morning. they say they're angry over qatar's support of terror groups and its relations with iran. qatar says there's no

l legitimate justification for the move. overnight u.s. officials appeared to downplay any potential impact this could have on u.s. operations at a major air base in qatar. when we come back, the latest from london after that attack. this morning we're hearing from the photographer who captured this image of a wounded terrorist. and a sign of defiance. a man runs from that attack, not spilling a drop of his pint of beer. summer took a hit this morning when frankie popped the alligator floaty. plus, the snacks and drinks are gone, people. and one of us used up all the sunscreen! i wonder who... . we're gonna need some reinforcements...quick. copy that. walgreens makes it easy when summer needs a little help. your summer base camp is just around the corner so you can get in, out and back to those summer shenanigans. walgreens. at the corner of happy & healthy®. this week, buy two and get a third free on sun and skin care.

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sciotto says that he had taken a wrong turn when he saw people runing away from borough market, he ran toward it and he saw the police there and he saw men wearing something that looked like bomb canister belts. >> i stayed there and i reached it because i'm a professional photographer and i tried, you know, to get some picture -- i saw the situation was chaotic. so i was trying to understand and at the same time was kind of recording, take pictures, just have some records of what -- i mean i wasn't expecting the gunshots and everything but, you know, probably was worth it but maybe not to risk life for this. >> in hindsight. you can actually see two of the suspects there on the ground. sciotto now admits that it probably wasn't the smartest that he's ever done. in fact, i'm quoting here, absolutely stupid and when he realized what he had done he had the shakes. back here at home, testimony begins in bill cosby's sex assault trial today, but we won't hear from cosby himself.

the 79-year-old entertainer was charged with drugging and assaulting a former temple university basketball worker in 2004. she's among 60 women who accused cosby of misconduct. cosby's accuser and another woman who says she was a victim are both expected to testify. a rock climber is being hailed for an historic and frightening feat. alex honnold became the first to scale yosemite's 3,000-foot el capitan without a rope or safety gear. some are calling the climb over the weekend the greatest feat of pure rock climbing in history. in a facebook post, the 31-year-old said that he's stoked to realize a life's dream. >> just makes me nervous just looking at it. >> yeah, we're not even out there. and this is an amazing save in illinois, and it's captured on camera here. follow me. police in dixon noticed a blue car rolling through red lights and veering into oncoming traffic. the driver had suffered a seizure. another driver, though, watch to your right, jumped out of his car and dove through the window

of the out-of-control vehicle to grab the wheel. the driver of the blue car is now recovering. >> unbelievable. >> yep. good save. well, the cleveland cavaliers are probably hoping a change of scenery might help them out for the nba finals. >> yeah, so the cavs were beaten last night, 132-113. it wasn't even close by the golden state warriors, of course. abc's t.j. holmes was there. good morning, teej. >> reporter: kendis, diane, here we go again, stop me if you heard this before, right? cavs/warriors, warriors up 2-0 in the finals, now we go back to cleveland. yes, thi is exactly where we were last year. first couple of games not that competitive. game two is now in the books, of course. it was steph curry and kevin durant leading the way both scoring over 30 points between the two of them but they were essentially unstoppable once again. you think you have a competitive game, and all of a sudden they start to pull away in the second half and end up winning by 19. lebron james did his thing as always, stuffing that stat sheet but they still didn't have enough. a very high-scoring competition

and now it's going to move to cleveland. now, what was one big highlight in this game, i guess, a big story line coming into the game is that the warriors got a very important player back and by player i mean coach. steve kerr, who has been out since game two of the first round of the playoff, returned as coach. his team is now 14-0 in the playoffs, something that's never happened in the playoffs before so they seem to be unstoppable. but, again, we saw this exact same thing last year, 2-0 for the warriors going back to cleveland. but then, of course, as we know what happened last year, the cavs ended up winning it all so we shall see. guys, we never know what to make of these finals, don't think anything. two blow-outs, 2-0 means nothing because we've seen this story play out before. we will see you guys in cleveland for game three on wednesday. kendis, diane, see you real soon. >> all right, appreciate it, t.j. it'll be right here on abc. of course, we'll have coverage thursday morning. well, up next in "the pulse," a man mowing his lawn,

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♪ we're going to start your monday "pulse" off with london and the photo that went viral or the person that went viral because of his reaction to saltalamacchia's terror attack, and you can see the reason why right there. that's him making his way down the street still carrying his pint of beer. >> so, plenty of internet observers are giving him credit for his calm demeanor. some even called it a sign of defiance. he is a british hero this morning. >> one commented that given the price of beer in london, he was absolutely right trying to

preserve as much as possible. >> seven pounds a pint. >> we say cheers to that man. >> can't spill that. and a picture of a canadian man going around the internet may be a perfect fit for the line, what, me, worry, come on. >> okay, so at first glance it just looks like a guy just mowing his lawn. >> yeah, no big deal. >> but then let's take a look. pull back and you can see what's in his backyard. >> that's a massive funnel cloud. a tornado actually hit southern alberta on friday. >> so the man said he was actually keeping an eye on it and the tornado was actually farther away than it appeared. >> so not even that he didn't notice, he just saw it and decided, got to mow the lawn. >> it's okay. all right. a bride-to-be in australia has one less thing to worry about this morning thanks to social media. >> at 93 years old sylvia martin is finally getting married to her longtime love next month but she couldn't find the perfect wedding dress. she actually found four. so she asked facebook users to weigh in. >> and the people have spoken and sylvia will walk down the

aisle next month in option c that you see there. her future husband is just happy to say i do. he had popped the question many times before. sylvia finally said yes. >> well, congratulations to the happy couple. you look great, sylvia. final new england patriots tight end rob gronkowski invaded a wedding as only he can. so check it out. a couple walks in. gets her bouquet, goes out for a pass but it doesn't quite go. >> it is intercepted by gronk. i mean, it is smashed. an, it is smashed. >> /* a retired teacher living. no home. no healthcare. so she said "no" to this injustice, and "yes" to transforming lives. it's this drive, this compassion, that inspired aarp. today, we empower people to choose how they live as they age. we advocate for health and financial security. we strengthen communities everywhere. we are aarp. creating real possibilities.

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good morning, bay area. >> golden state remains perfect! >> like the sound of that. dub nation still celebrating this morning as the warriors take a 2-0 lead over the >> and the warriors were fired up with steve kerr on the bench, and curry taking lebron to school. i know a lot of you were up late watching the game last night, anybody here? >> how could you not? it was so good. mike, i see you are still celebrating in your blue tie this morning. >> i have a lot of blue ties because they win a lot. >> hi, everybody. let's talk about a blue sky coming your way even at the coast where we have clouds this

morning. it looks like the breezes are going to bring aus a lot of sunshine. we are starting off kind of chilly this morning, upper 40s to mid-50s. as we head towards noon, 70 to 77 around the bay inland. and 55, 69 and 74. that would be the coast and bay inland by 7:00. a delightful maybe people want to stay where they were and watch the game last night and leave early this morning. look at the bay bridge toll plaza, just a couple cars stacked up in the cash-paying lanes. we have a problem spot east bay 24, we had that for a time all lanes blocked near aubg lawnious. only the left lane blocked as

you head in the east bay direction, a solo spinout and took out a guardrail. we will keep on it and be back in a few. the warriors two wins away from the championship. >> they clobbered the cavs night. >> they remain perfect! >> golden state has won 14 consecutive playoff games, and that's the longest post winning streak in history, and they are talking about what it will take to bring the trophy home. >> this is far from over. we know how hard it is, to, you know, be the best team in the league, so we have to, you know, keep going, and keep our foot on the gas and keep getting better everyday. >> there's a lot of work left for us today, and you have to expect him to play better at

home and better to win on the road. >> steve kerr was back on the sideline as coach. it was really good to see. he missed game one due to lingering complications due to back surgery. we will see if the warriors can make the same magic happen on the roads. >> amy hollyfield is live downtown san francisco. amy. >> reporter: reggie, you can see where there are at the saint regients hotel. this is what it looked like as fans gathered here, and this is where the team is staying. we are hearing they will be leaving at 9:00 this morning, and the cavs are going to be looking for some of the same luck they had last year at home, and they won game three and then the warriors, of course, grabbed game four while in cleveland. the