new tonight, police arrested a lexington man, saying he'd been exposing himself to students near a school. >> and he has a history of similar crimes dating back to 20 his face today but he couldn't hide from his past. this is 30-year-old jacob hall, a twice convicted sex offender in new hampshire. he spent three years in prison for his offenses there. now police say he's exposed himself to teenage girls in lexington.

trail, where police say hall exposed himself to the girls the first time. the second time police were called was yesterday here at the park. but when police arrived, he took off running toward the high school. a police officer chased him down this path and had to tackle him in a playground. >> he did admit to having been there both that day and the day before. >> reporter: and people who use the park were stunned to of it. >> i think it's everywhere now. we have to be vigilant all the time. >> reporter: he was held on high bail but if he gets out of jail, he was ordered to stay out of lexington. police are searching for a killer after a late night shooting. officers rushed to gallagher's pub on west royal street about 11:30 p.m.

he'd been shot several times and died at the hospital. officers found a second victim shot in the leg nearby and he should recover. campaign 2016, donald trump and hillary clinton releasing new attacks on each other, again over national security >> hillary clinton meeting with national security experts today, more than 50 republican security experts have said donald trump will make america less safe, including a former foreign policy advisor to john mccain. both attended the meeting with clinton. trump says clinton is too eager to go to war.

intervene and topple regimes. >> reporter: north korea announced it's conducted another nuclear weapons test. whoever wins in november will have to deal with the communist country. clinton says she plans to use sanctions to isolate north korea and will seek help from china. >> i think this is a wakeup call for them. we have to demand they use their influence. >> reporter: trump says north korea's nuclear program grew strong whilent secretary of state. >> he would make sure they would never use it. >> how? >> he's not going to reveal all his plans. he's made that very clear. and maybe somebody can ask him in a debate. >> and hillary clinton is opening a new office in boston, just steps from the state house. she's not taking any chances here in massachusetts, even though a republican presidential candidate hasn't

sunday marks 15 years since the september 11th attacks. this morning in new york city, a moment of silence at the new york stock exchange in lower manhattan. in washington, d.c., a moment of silence to honor victims and survivors, ending with the singing of god bless america. and attorney general loretta lynch dedicated a commat planted last year. this is a sapling that came from a pear tree that once stood on the world trade center plaza in 2001 and survived the attack. cancer remains one of the biggest concerns for 9/11 survivors. new research shows rescue and recovery workers as well as residents nearby who were exposed to the dust and debris from ground zero have an increased risk of cancer,

and melanoma. more than 5,000 people have been diagnosed with cancers related to 9/11, and doctors at the world trade center health program say they identify 10 to 15 new cases every week. the cdc estimates up to 12 million people are infested every year with head lice and it's getting more and more >> reporter: before carrie sends her daughter off to first grade, she makes sure her hair is pulled back. >> i always keep it up. >> reporter: she wants to avoid the dreaded call she got last year. >> your child has head lice. you have to go pick them up. >> reporter: a study found lice tested in 44 states including massachusetts were resistant to over the counter medical

they cried more. >> reporter: eventually they ended up at lice clinics of america, where they use a warm air machine they say kills the bugs and eggs by dehydrating them. most home remedies require days or weeks of diligent combing to be sure every bug is gone. but not here. and there's a guarantee. >> it's one and done. you come here and we average about an >> reporter: lice is usually seen in younger kids but now she's seeing more teenagers coming in for treatment, and believe it or not, you can blame the phones. >> selfies is the big culprit. >> reporter: the phone is an issue for jordan and she knows to avoid sharing brushes. >> it's really hard to go through lice because it's really bad. >> reporter: there are prescription treatments but

required. on monday the winner of the $487 million powerball jackpot will claim the prize. someone in new hampshire bought the only winning ticket for the july 30th drawing. the state lottery says the winner's attorneys will come forward and announce plans for the money. we don't know if the winner will make an appearance. >> would you show up in public if you won? >> i would try my best not to. >> i would do the same. serious enough to recall 4 million cars. >> and an suv slamming into a new england gas station, the driver explaining how this happened. >> and local students making sure kids around the world have a place to learn. >> we have midsummer heat, humidity still high but it falls this weekend.

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tonight 4 million vehicles are being recalled from general motors because of software that could keep air bags from going off and seat belts from functioning correctly. it involves about 17 models dating back to 2014. we have the full list at cbsboston.com. tomorrow hannah ford stores will be transformed and locations in milford, eastern norwood and kingston will open under the new name. we didn't see rock bottom lobster prices this summer. last month prices reached their highest in more than 10 years, $8.50 for a 1.25-pound lobster.

could keep the price high in the future. we all do our best there. do you get lost easily? your shoes could be your guide. sports maker high-tech created these navigator boots that connect to your phone and the soles vibrate to let you know when the turn, left or right. they are about $300. we are inching closer and closer to just not being able to do anymore. from enjoying an incredible view to an overnight scare. >> dozens of of tourists trapped in the alps 10,000 feet up. and dances canceled at a local high school. why the principal said he had to put his foot down. and weeks of searching for a rare bird, finally captured in

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dozens of tourists right there, trapped high in the sky. >> they were in these cable cars over the french alps when the cables got tangled in the high winds. 110 people left dangling nearly 1000 crews worked until midnight but could only get about half the people down. the rest of them had to spend the night in the cable cars and they were rescued this morning. this was a frightening scene in austin, texas this afternoon. someone drove their car off the top level of a parking garage and high tension wires kept them from falling to the ground. the driver was not hurt, crews

trying to hoist that car back up on top of the roof. >> this is what happens when you hit the gas instead of the brakes. this suv backs into a fuel pump and slams into the store, knocking the clerk off his feet. he didn't even break a bone. >> have you ever hit the gas instead of the brake, anything like that? you have? >> no but i was 16 years old, driving to my psats. it was snowing out and started slipping, and hit the gas instead of the brake, then hit a tree. but it was a slow-speed crash. i got to college and i'm here now, that's all that matters. we hit another heat record today, tied a record? >> 93 degrees out there, 21st

weekend but no washout expected for saturday or sunday. dry air arrived sunday afternoon, so a lot of people looking forward to that. and a feel of fall, something you have been searching for. thursday of next week you'll really feel the taste as we head toward work and school. today 93 degrees in the city, tying the record that was set last year. it's the first day this month above we have 52 on mt. washington, not a bad day there. great day for hiking. we are the warm spot, right in the 95 corridor, with cooler air off to the west. this evening, warm and muggy, clouds on the increase and temperatures bottoming out in the upper 60s to around 70 degrees. then we have a developing system to our west. it will have increasing clouds

tomorrow morning we wake up, expecting mostly cloudy skies and a chance of showers as this warm front is lifting north across the area. by lunchtime it's starting to make progress into central massachusetts, then in the afternoon we'll get into brighter skies and more sunshine from south to north. then head into tomorrow night, the cold front getting closer showers but most should be during the first half of sunday. it's not coming through during the peak heating, which limits our rainfall chances. a couple of showers on sunday, drying out from west to east as we head through the afternoon. and then that big area of high pressure moving overhead by monday. tomorrow's temps, in the afternoon warming into the 80s

new hampshire looking at a cooler and grayer day. humidity listen increasing as we head toward tomorrow night. on sunday, early showers as we head through the afternoon, starting to clear out west to east. temperatures find a spot in the 80s, and in terms of the humidity, really muggy tomorrow evening. then we get the relief, crisp feel to the air monday. monday and tuesday are beautiful. midweek we're back in the 80s again. >> i'm looking forward to that type of weather. mid-september, starting to think cider, flannel. bring it on. a little girl visiting her family made sure pope francis would remember her. 9-year-old megan made the pope a potholedder.

of more than 30 people who traveled to italy for the visit with the pope. kids are back in school and football season is upon us. tonight, getting ready to beef up for the fall. >> reporter: meat eaters from all over new england have been known to make the trip to bernie's dining depot for juicy roast prime 3 pounds. >> come in and share that, come in with a family of four. the kids will eat off of it and they'll all share. >> reporter: for a more upscale experience, strip by strega is a stylish spot for premium steaks like the signature prime dry aged sirloin. >> you can't stop till you're done. even if you're full, you're going to finish it.

platter served at broad wind, stacked with homemade sausages, meatballs and a 2-pound pork shank. boston has seen an explosion of steak houses over the past few years and the trendy boston chops in the south end announced they are opening a second restaurant downtown. for more, watch the gourmet saturday on my tv 38. coming up, building a better future for children around the world. coming up tonight on the news at 6:00, it was bad enough when birds were found sick and dying and now it's other pets. what neighbors are telling us and the search for clues in the disturbing mystery. then a warning from the government loud and clear. the new smartphone every users

local students are helping build schools in some of the poorest countries around the world. in many villages kids have to walk two and a half hours each way just to get to a school. >> reporter: it's back to

patrick and alley, the things they have learned in school the world taught them even more. >> it was a very humbling experience. >> i was so glad that i got to do something that was going to make people happy. >> reporter: school the world is an international educational nonprofit focusing on primary school education in central america and global citizenship for high school students here in the >> my vision was to give every child and opportunity to learn. >> reporter: school the world builds schools and playgrounds, trains teachers and puts books in classrooms for improverrished children. >> it's hard to believe what they go through. we shadowed a family one day and they had nothing. they had a hut. >> reporter: they have built 38 schools for over 4,000 students

>> we were going back to build a playground because they know play is an important part of a child's education. >> getting to see the children and really how much they enjoy learning made me really respect my school. >> i also want them to walk away with a sense of where they fit in the world and the great privilege that we have. >> po deeply impacted students. >> i'm going back this year and i'm recruiting my brother. >> kids want to be part of something bigger. >> great way to build perspective, too. record heat out there today, and coming up, a chance for at least a few showers. >> body cameras are back in boston. a judge denies the union's request to power down the program.

today a man convicted of killing a boston police detective got a new trial. >> taking a break from the dance floor, all school dances are off. the news at 6:00 starts now. . it >> after this weekend the soup is gone and things are changing in a big way. we want to hear more about this record day. >> it is hot clam chowder weather, temperatures that reached 90 or higher in southern new england. around the airport, 92, just one degree shy of the record. providence set a new record high with 92.

plus here in boston. still 90 at logan right now. other areas starting to cool off a bit, 88 in norwood, 89 in lawrence right now, nantucket 74 degrees on the island. when you factor in the heat index, it's the low 90s for pretty much all the area tonight. we are watching some changes, a front moving in from the west. this will bring us a chance of showers tomorrow morning. we'll time those out coming up we have breaking news on a cell phone that may be in your home right now. the consumer products safety commission says if you own a galaxy note 7 by samsung, stop using it immediately. . >> reporter: the feds are saying shut that phone off and stop charging it immediately. this is just the latest in a list of troubles for the new smartphone that was a smash hit as soon as it was released. the consumer products safety

where the phone batteries overheated and burst into flames. last weekend we showed you this video of one of the new cell phones exploding here in massachusetts. the smoke triggered alarms but no one was hurt. and this week the faa warned flyers to not bring those phones a recall and work on the replacement. we now know when the driver accused in a deadly crash is facing a judge. brad kessler is due in court september 19th, a week from monday, on motor vehicle homicide charges. prosecutors say the 55-year-old crashed into the sweet tomatoes restaurant in early march,