with tonight's "keeping you healthy" report, here's nbc's kristen dahlgren. >> reporter: mother of three sarah ellis will never forget her darkest days battling depression. >> i was at several points like this is it, i can't do this anymore. >> reporter: she tried anti-depressants, more than a dozen. attempting to stay on each for the six-week trial doctors recommend. the side effects were debilitating. >> i was very sluggish, very fatigued. my sleep was disordered. >> reporter: like so many battling depression, years passed, trying drug after drug. >> that particular drug -- >> reporter: until dr. matthew stanley recommended a genetic test to see why her body wasn't responding. >> it can tell me if you're going to have difficulty with metabolizing a drug i might prescribe. >> reporter: avera institute for human genetics in sioux falls, south dakota, is among those at the cutting edge of pharmacogenomics, looking at how genetics influence the way we process medications. >> we'll hone in and look at the medications. maybe it's four to six that are more effective to you. >> reporter: the t

kristen dahlgren, nbc news, london. >>> there's more to tell you about tonight. we're back in a moment with the miraculous discovery times three. the rubble in an earthquake disaster. >>> some dramatic rescues after a deadly earthquake struck an italian island overnight. emergency responders pulled a 7-month-old baby alive from the rubble at his family's homes. rescuers also saved his two older brothers to cheers from the crowd that had gathered there. >>> if you're planning a late summer or early fall trip, the time to book that flight is now. today is the so-called magic date when domestic airline tickets suddenly drop as demand for flights tends to drop around back-to-school time. experts say if you shop now, you could save an average of 11% to 20% over summer ticket prices. >>> speaking of tickets, a case of lotto fever is taking hold across the country. the powerball jackpot has now hit an estimated $700 million. it's the second largest powerball jackpot in history, and there is still a day for it to grow. the drawing takes place tomorrow night. >>> when we

kristen dahlgren, nbc news. >>> there is more ahead for us tonight. planning a trip to the uk?ou might notice something iconic in london has gone missing. >>> a familiar sound is about to fall silent in london and won't be heard again for a long time to come. the bongs of the iconic bell, big ben, will be stopped after chiming at noon a week from today for a $38 million repair job on the queen elizabeth tower which houses the clock. it won't return to regular service until 2021. >>> tonight there is word of a tragic accident on the set of a hollywood blockbuster. a stuntwoman was killed in a motorcycle wreck while filming the sequel to "deadpool," starring ryan reynolds. and it comes a day after tom cruise was injured while filming a sequel of his own. nbc's morgan radford has details. ♪ >> reporter: tom cruise, one of hollywood's biggest and most bankable stars, known for his comedic timing. >> show me the money! >> reporter: and doing his own super-sized stunts. >> it's a key component of what makes tom cruise tom cruise. >> reporter: but yesterday the 55-year-old actor fell

it happened last night and kristen dahlgren is in london and has details. good evening. >> reporter: good evening. tonight, people here in london are being urged to be alert yet not alarmed as police investigate an act of terror. metropolitan police say on friday night a man drove a car directly at a police van. when officers confronted him, they say he reached for a four-foot sword, repeatedly shouting allah akbar. three officers were slightly injured. they we -- believe the man was acting alone. no members of the royal family were in believe t was acting alone. no members of the royal family were in the palace at the time and many tourists gathered outside were not injured. the 26-year-old man is being held under the terrorism act. the attack came the same night a soldier was attacked in brussels. isis has claimed responsibility for that attack, lester. >> kristen dahlgren, in our london newsroom tonight, thanks. thanks. >>> still ahead tonight, after hurricane harvey, the highly personal stories, including the experience of one man i met who survived but

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let's get more on that now from nbc's kristen dahlgren. >> reporter: when disaster strikes, americans have come to expect donation campaigns by the american red cross. >> please donate now to help people affected by hurricane harvey. >> reporter: but now there is a campaign against the massive aid organization. hundreds of tweets like, don't give red cross your money. very little if any goes to those that need it. the criticism mounting executive interviewed on npr couldn't say how much would go to texas. >> you don't know what proportion of the total amount is that relief? >> no, i really don't. >> reporter: in 2014 an npr and propublic ka investigation found the red cross misstated how money is spent. after the devastating earthquake in haiti, a report by iowa senator chuck grassley found one-quarter of red cross donations went to administrative costs. >> the red cross should be responsible to make sure they're very transparent. >> reporter: the red cross disputes the critical reports and today promised 91 cents of every dollar would go to victims. >> we are going to make sure that

kristen dahlgren has the latest. >> reporter: for abby connor, her death still doesn't make sense. >>for both of my kids, they both blackout at the same time and be found face-down in a waist-deep pool in the middle of the day, there's something wrong. >> reporter: abby's father thinks tainted alcohol is to blame. her brother survived. the blood alcohol level three times the legal limit back home after what he believes was just a few shots at the start of a family vacation in mexico. now authorities there have seized 10,000 gallons of tainted alcohol from a supplier after raiding more than 30 hotels and nightclubs in popular tourist spots in cancun and playa del carmen. they closed a bar at that hotel but iberostar says the death was not due to tainted alcohol and safety is a top priority. the state department updated the travel warning to mexico, cautioning about tainted alcohol. stop and seek medical attention if you begin to feel ill. a recent report found 43% of all alcoholic beverages consumed in the court are illegally produced. >> travelers should be concerned about what is tak

kristen dahlgren is in barcelona. a lot of people around you and behind you, what's the mood in barcelona right now? >> reporter: hi there, ali, this is exactly where that happened yesterday. and there are a lot of people out here today, many of them coming to really pay respects and to send a message. there was a moment of silence earlier today and then they began clapping and chant gs i am not afraid. that really is the message that the people we've been talking to here want to get out there. they are going to continue to come out here. there are memorials scattered here along this promenade, almost as if where the victims fell yesterday. as you walk down you see many, many different areas with candles -- >> we're looking kristen at live pictures of it as you talk, go ahead. we've got a live picture of that from the air. >> reporter: right. so there are these tributes along the way and very emotional people coming out here and they are doing etchings on the sidewalk where people fell and writing messages and those m

nbc news correspondent kristen dahlgren in barcelona with more. good morning to you.latest on the investigation? >> reporter: we're learning a lot more this morning as police connect the dots on this terror cell. we now know they believe it was composed of 12 men, so there are four in custody. there were nour five suspected terrorists that were shot in this second attack in cambrils and they are still looking for one on the run. his name younes abouyaaqoub, a 24-year-old moroccan born man. they are looking into the possibility he might have been the drive on las rambla. they are looking an an imam as a possible connection and one more person. they have found two bodies in the house that exploded, the house they believe was a bomb-making factory. police this morning telling us they found 120 canisters of propane and inbutane. they're going on this theory that this cell was looking at a much larger terror attack. perhaps some type of truck bomb. when that house exploded, they switched gears to this lower tech option, this van and vehicle attack. they're beginning to con

kristen dahlgren reports. >> reporter: on day 4 of the hearing, a courtroom shocker. detective david chicatano claiming the surveillance system from the basement of the beta theta pi fraternity previously characterized as malfunctioning was intentionally destroyed two days after timothy piazza's death. the detective was asked what happened to the footage in the basement? responding "it appears to have been deleted." adding the unidentified suspect is one of the defendants already in the courtroom. the fbi is now analyzing the security system. >> the big question becomes what could be so bad on it that it needed to be deleted versus the video we've seen which naturally was pretty horrible. >> reporter: video from other cameras on the first floor of the house has been the crux of the prosecution's case, alleging fraternity brothers forced 19-year-old pledge timothy piazza to drink in excess, then ignored his injuries after he fell down the stairs into the basement. >> it's a game changer if we see on the videotape the kinds of things that we see in the first floor. we'l

kristen dahlgren is in barcelona with the latest. kristen, what more are you learning about the suspect. >> we know his name is june nice. moroccan born. massive manhunt under way now. spanish media reporting widely he could have been the driver that drove down las ramblas here on thursday. although officials will not tell us that on the record. so we're continuing to pursue that. an incredible show of support happens here at loss ramblas. tourists back out here. at least four suspects are in custody. another five were killed after the shoot out in cambrils. alex, spanish government officials tell us they now do believe this terror cell has been disbanded. at least one man on the run. >> i love the look of barcelona strong there, all those folks returning to the site of that horrible attack on thursday. >>> meantime, backlash over the president's reaction to the violence in charlottesville, virginia. that's casting a loud over preparations for free speech rallies and counterprotests, set to quick off later this morning. former preside

kristen dahlgren, nbc news, sioux falls, south dakota. >>> and there's more to tell you about here tonight. coming up next, the emotional return of something lost but emotional return of something lost but found again for when you're close to the people you love, does psoriasis ever get in the way of a touching moment? if you have moderate to severe psoriasis, you can embrace the chance of completely clear skin with taltz. taltz is proven to give you a chance at completely clear skin. with taltz, up to 90% of patients had a significant improvement of their psoriasis plaques. in fact, 4 out of 10 even achieved completely clear skin. do not use if you are allergic to taltz. before starting you should be checked for tuberculosis. taltz may increase your risk of infections and lower your ability to fight them. tell your doctor if you are being treated for an infection or have symptoms. or if you have received a vaccine or plan to. inflammatory bowel disease can happen with taltz. including worsening of symptoms. serious allergic reactions can occur. now's your chance at completely clear skin.

kristen dahlgren is in barcelona. good morning. >> reporter: good morning, we're learning from the spanish government this morning, they say they believe this terror cell has been disbanded but authorities say not all suspects are in custody so this morning a massive manhunt is under way. >> in a town north of barcelona, more arrests, the crowd yelling murderer as one suspect is taken by police. four men are now in custody, allegedly linked to two attacks that left 14 dead and more than 100 injured. five other suspected terrorists were killed, shot by police in the seaside town of cambrils after the attack there. among the dead, a 17-year-old police believe rented the van that plowed through las ramblas on thursday. spanish authorities are still on the hunt, reporting he could be the driver of that van in what police now believe was plan b. authorities say they think the men were planning a much bigger attack using explosives until a house where they were stock piling propane exploded wednesday night. among the dead i

kristen dahlgren sat down exclusively with his widow. the couple was celebrating their first wedding anniversary when tragedy struck. >> what did the terrorists take from you? >> i mean, the love of my life. what am i going to do? we only were married for a year. and so it's not a matter of not being able to be independent. but i don't want to do that without him. >> authorities in spain are keeping details of their investigation quiet. they're warning people who see police activity in the area not to tweet about it so the suspects won't be tipped off. we have a team of journalists in barcelona including our digital reporter. she spoke with a new jersey teenager who described the aftermath of the attack. you'll find that by tapping on the nbc10 app. >>> 7:16 right now. new this morning, philadelphia's last grandly built post office is now closed. the william penn annex at 9th and market shut down yesterday after 78 years of service. the branch will reopen tomorrow on arch street near seventh. the city's other grand post office 30th stree

kristen dahlgren, nbc news, london. >>> continuing coverage now. lawmakers pushed to tackle california's affordable housing crisis. renters pay 50% higher rates compared to other states. homebuyers facing prices that are two and a half times higher than average in the rest of the country. >> there is a housing crisis. in the last 10 years there's been a reduction of two-thirds of the funding on the federal level and affordable housing funding. >> anything above 500,000 still has some play, some inventory there, but below that number, it's quite a dogfight out there. >> state lawmakers return on monday. they will then push a regulatory package that includes regulatory reforms, plus money for low-income housing. >>> this morning more complaints over apple's new headquarters in sunnyvale. they talked to the mercury news this morning, and they say the new space campus now blocks their view of the santa cruz mountains. they say it is a prison wall and that the construction continues to disrupt their daily lives. apple says the company sees all the compl

kristen dahlgren sat down with his widow. the couple was celebrating their first anniversary when tragedy struck. >> what did the terrorist take from you? >> i mean, the love of my life. what am i going to do? we only were married for a year. and so it's not a matter of not being able to be independent. but i don't want to do that without him. >> authorities in spain are keeping detail of their investigation quiet. they're warning people who see police activity in the area not to so the suspects won't be tipped off. >> we have a team of journalists in barcelona, including our digital reporter. she spoke with a new jersey teenager who describes the aftermath of the attack. you'll find it by tapping on the nbc 10 app. >>> happening today, septa shuttle buses will replace rail service between 30th station and the international airport. the airport line is out of service during weekends this month because of a track improvement project. septa has posted signs to direct riders to shuttle bus locations. >> these families are gearin

kristen dahlgren, thank you so much.hool alert about apps that are popular with kids and maybe you have never heard of them. first this, is "today" on nbc. ♪ >>> this morning on "back-to-school today," an alert for parents about apps you may not have heard about. jim, good morning. always good to see you. first of all, let's just go over the basic rules of the road when it comes to apps. are we talking about teenagers or tweens? >> we're talking everybody. tweens and teenagers. and i think it's really important, savannah, to remember, if you have younger kids, they want to be teenagers. be careful. the first is, use privacy settings. it's very important that there's privacy settings out there. and you should protect your kids by doing it. and if you're a parent that doesn't understand all this, even you and i can learn how to do it. the other basic rule of the road is, think before posting. so often that what you put up stays there forever. your college admissions people and future employers will read it. you have to tel

joining us now nbc's kristen dahlgren who had an opportunity to speak with jared's wife there. ten, explain the interaction that you were able to have with jared tucker's widow and how she is trying to deal with the after effect of knowing that she lost her husband through such a calculated and horrific way. >> reporter: right. and she's just an incredibly strong woman to agree to talk to us. she really wanted to share with us a little bit about her husband. she said he was loved by everybody, and they were here on not just their first anniversary but really the trip of a lifetime. they had just been to paris and they went to a gon dough la ride in ven i didn't say. and then their last stop was here in barcelona where one of jared's best friends lives now and so they were visiting him. it was on thursday. they were here in las ramblas. they stopped and got some sangria. they were having a great time. and then she went to look in one of the key osks here. he was going to go to the bathroom real quick and that's when the van just came through and all chaos broke loose. she was sep

nbc's kristen dahlgren has more from london. what is this? >> reporter: hey, there, stephanie. we've seen americans speaking for i us is before but never a child. experts say the words he's speaking were like i written for him, but to hear them spoke bin a young boy is unsettling to say the least. counterterrorism officials say that of course may be the goal, to deflect attention from the group's dwindling territory. in the video, the boy speaks fluent english. >> i'm 10 years old. >> reporter: appearing to read off a script, the child saying he and his mother moved to syria two years ago. >> my father is an american soldier. >> reporter: nbc news has not verified the boy's identity, national tay, or whereabouts. the slickly produced seven-minute propaganda video shows him playing with another child. he says is his 7-year-old best friend. the two children seen walking through rubble in what he says is the syrian town of raqqah where the u.s. estimates 2,000 isis fighters remain under siege. the boy mentions the president by name. >> my message to trump -- >> reporter: and he's

. >> kristen dahlgren live, thank you. >>> kelly o'donnell who is traveling with the president in new jersey as he gets ready to leave for camp david. here on set terror analyst and co-founder of flashpoint and our panel for the hour "new york times" political reporter nick and jennifer, bloomberg's white house correspondent. thank you, all, for being here. i'll go to you first because i want to get your reaction to the news that we have reported out over the last couple minutes here. >> so, i mean, what we're seeing yesterday in barcelona. we saw that a more complicated, more complex plot has unfolded connecting three different scenes, three different types of attacks essentially to the same cell. reports suggested that it was maybe one, two people. but as the events unfolded we saw it is connected to an explosion and we saw it's connected to the resort right after. and, so, obviously, a manhunt for one of the suspects who is still on the loose. but five people including the one, that's six. it makes it a little bit more complicated. obviously, we still don't know whether these indiv

keir simmons on the phone, and kristen dahlgren in barcelona. there had been some question about still looking for the driver. do we know if the driver of the van is still on the loose? >> reporter: right. hi, chris. we don't know. there has been a fourth arrest but officials aren't saying whether or not that is the driver of the van that mowed down those people here yesterday. during a busy time here atl las ram blas, a van swerving through the crowd. look at i here today. we had a moment of silence earlier and then cheers s erupt, the crowds chanting "we are not afraid." that gives you some sense of what the reaction has been from the crowd. many, many people out here today showing their support. there are memorials, as you walk down this promenade, to the victims. it's almost as if where people fell they have now laid candles and flowers and stuffed animals. people making etchings of the sidewalks, writing messages to the crowd here. so really a strong show of support. the hashtag barcelona strong trending on twitter. that gives you some idea

kristen dahlgren is at the white house this morning. good morning. >> reporter: good morning to you, matt. an attorney for the piazza family is calling this a monumental cover-up. and the district attorney tells me additional charges could come soon for one of the defendants expected any minute here for today's hearing. on day four of the hearing, a courtroom shocker. the detective claiming that the surveillance system from the basement of the fraternity, characterized as malfunctioning, was intentionally destroyed, two days after timothy piazza's death. on the stand thursday, the detective asked, what happened to the footage in the basement. responding, it appears to be deleted. adding one of the identified suspects is one of the defendants in the courtroom. the fbi is analyzing the security system. >> the big question becomes what was so bad on it that it needed to be deleted, versus what we've seen that was horrible. >> reporter: video from other cameras on the first floor of the house has been the crux of the prosecution's case. all

nbc's kristen dahlgren has the story for us. kristen, good morning to you. >> reporter: good morning, savannah. we've seen americans speaking for isis before, but never a child. experts say a script was likely written for him. but to hear those words spoken by a young boy is unsettling to say the least. counter-terrorism officials say that may be the goal to shock and deflect attention from the group's dwindling territory. >> in the video the boy speaks fluent english, appearing to read off a script. the child saying he and his mother moved to syria two years ago. >> my father an american soldier who fought in iraq. >> nbc news has not verified the boy's identity, nationality, or whereabouts. the slickly produced seven-minute propaganda video shows him playing with another child, his 7-year-old best friend. the two children seen walking through rubble in what he says is the syrian town of raqqa, where the u.s. estimates 2,000 isis fighters remain under siege. the boy mentions the president by name. >> a message to trump -- >> see

kristen dahlgren has more. >> reporter: yes. take a listen, london a lot quieter without the distinctive bongs of big ben. a few minutes ago we heard the final toll for a while. hundreds came out to listen, but more most of them, it really wasn't a moment to celebrate. at exactly 12:00 noon london time -- big ben rang out one last time and then went silent. the clock's final hourly toll until 2021. >> it's a pity. really. because i think it's something all tourists want to see and hear. >> reporter: it will still ring on new year's eve and veteran's day, but the rest of the time, radio silence. the clock and its chimes refurbished, a four-year undertaking. >> kids, big ben! >> reporter: while many call the whole tower big ben, the nickname is actually for the clock's massive, almost 15-ton bell. but the sound is just too loud for repair workers who will be getting up close and personal. >> we'll stop the mechanism and disassemble. lats nuts and bolts. >> reporter: first built in 1859, the structure survived london's soggy weathe

kristen dahlgren is at the courthouse. >> reporter: good morning. an attorney for the piazza up and additional charges could come soon for one of the defendants expected any minute here for today's hearing. on day four of the hearing a shocker, a detective claiming the surveillance system from the basement of the fraternity previously characterized as malfunctioning was intentionally destroyed two days after timothy piazza's death. on the stand the detective was asked what happened to the footage in the basement responding it appears to have been deleted, adding the unidentified suspect is one of the defendants already in the courtroom. the fbi is now analyzing the security system. >> the big question becomes what could be so bad on it that it needed to be deleted versus the video we've seen which naturally was pretty horrible. >> reporter: video from other cameras on the first floor of the house has been the crux of the prosecution's case, alleging fraternity brothers forced 19-year-old pledge ignored his injuries after he fell down the stairs into