we do not know yet what sparked the fire. here's a look at the effort to contain the fire, about 50% contained right now. we'll continue to follow it closely. break news in denver: an overturned semi has the northbound lane was colorado boulevard closed this rush hour. traffic having to divert onto 17th near city park. the cause of the crash still being investigated but there are no injuries. volunteers gathering to from lakewood. he mysteriously vanished last month. the 25-year-old was last seen in the green mountain area. jeff todd is live this evening at the green mountain church. and it sounds like those searchers are about to head out. >> reporter: searchers and even volunteers are gonna start getting ready at 5:15 and will be concentrating on this green mountain area. this all started in late july, and there were a

without any clues, it was called off. today will be the first search since then. this case goes back to july 22nd 22nd. a conversation got heated as they were talking about recent police shootings. he said he needed to cool down and walked out of the apartment. he didn't even have any shoes on and left his car behind. he was an emt for the south park ambulance. many other first responders have helped search fom. his disappearance is very unusual. in the days after he went missing, people were making play mrooes for his safe return -- pleas for his safe return. they were told to be prepare forward any kind of hazardous areas. that gives us an indication they're not gonna be search the popular trails here. they're gonna be searching other

new information involving a police officer and suspend carjackers yesterday afternoon near 12th and federal. the suspect who was wounded is a juvenile. investigators he and two other juveniles were in a stolen car when they were approached by officers. the driver was arm and was shot in the leg after a short chase. and they arrested the other suspects. looks like more security changes in the 16th street mall in downtown denver. this follows recent violent attacks caught on camera. the downtown partnership is fighting back. >> reporter: these private security guards are already out patrolling. now they don't have handguns, but they do have handcuffs. it's images like these coming out of the downtown that have horrified and frightened people down here.

>> reporter: business owners along the mall held their own worries. >> a man came into the store and demanded all the money. there was no security around or anything. i ran out the store, asking for help, no one was to be found. it was really scary were >> reporter: that's not the image downtown promoters want the city to have. so they're working to include safety, and trying to change the sentiment on the 16th street mall. >> the addition of the security reflection of offsetting a need for police officers in the mall. >> reporter: downtown officials say they'll likely start with two private security officers' first shift, with shifts running 24 hours a day, seven days a week. >> i come downtown for work every day. and i generally feel very safe. >> reporter: nearly 200 new lights will be added to the mall, and they will work to make the alleys safer.

12 months. more delays for the train to the plane! crossing gates now function along thea-line route. the contractor placed workers at the gates because sometimes they wouldn't rise or fall properly. the problem evacuated from dia today transported to local hospitals. it was a drill. but intense training can save lives during a real disaster. >> reporter: this is one of the many aircrafts responsible for bringing victims of the disaster to nine different hospitals around the metro area. the simulated disaster started in salt lake city.

patient volunteers here for a variety of different injuries that they have to act out. >> oh! my eye! i can't see! you try to be like that because it's an exercise so you're helping them. and you want to do your best. >> reporter: the hangar at signature flight support near dia served as a triage center as patients wait to be transported by ambulance and military helicopters to hospitals around the metro area. more than 3 federal agents, the ones that would likely have to contribute in a real disaster are being tested today. >> difficult is always the communications and working with another agency that you're not normally working with. learning their processes and their language. to show up and quickly integrate. we hope to achieve efficiencies and preparedness. and just getting to know people. we always say we don't want to

in the moment of a crisis >> reporter: a blackhawk helicopter just landing to be ready to pick up another load of volunteer patients. this is the fifth year in a row for this event, with a different event simulated each time. dia also preparing for what could be a major overhaul of the main terminal. a city council committee heard from companies today vying to make big changes to the airport, including moving the security checkpoints and adding moreho the company known for a controversial project in london is leading the team here. why magic johnson was at today's meeting, tonight at 6:00. new video shows a close call for a brighton firefighter. he had to jump out of the way to avoid that out of control driver. crew was filling up their trucks when the silver suv came speeding through, back in

shared this video to show just how important it is to slow down and yield to those emergency vehicles. right now a massive wildfire pushing firefighters to their limits in southern california. entire communities have been wiped out. flames there burn out of chrome. the blue cut fire has forced 82,000 people from their homes, near writewood, about an hour outside of los angeles. this spread nearly 47 square miles in a day. >> reporter: it's shockingly big. and shockingly fast. when you think about that, it's about the size of the city of san francisco. part of the problem today, you can tell from my hair, a lot of wind! strong gusts of wind. firefighters attacking this from every angle you can imagine. and they're

they can. >> reporter: the massive blue cut wiefldz continues to threaten communities in the dry mountainous area about 60 miles east of los angeles. >> it looks like it's all the way around us. i moved that way. and they let me go home. >> reporter: strong winds and dry brush fuel flames shooting smoke 80 feet into the firefighters were, overcome by injuries. >> reporter: more than 1,000 fire crews are on the ground while helicopters and tanks attack the blaze from the air. >> we're really struggling to keep up with it. >> reporter: evacuation orders have been issued for more than 80,000 people. some residents are refusing to leave the mountain town of wrightwood. >> it's right in the middle of that smoke. >> we would hate for the fire to overrun your neighborhood and

a way out >> reporter: the governor has declared a state of emergency. >> reporter: this hour we just have no idea really how many homes or structures have burned here. we do know there are quite a few. but there's just not a specific number at this point because firefighters can't get to a lotful these areas to survey the -- a lot of these areas to survey the damage. they have cadaver dogs with them here around this area. some neighborhoods today were burned out, and there were victims in the rubble and debris who were not able to make it out in time. break news of a wildfire in colorado. this is burning just south of carter lake near berthoud. stay with us for more updates. investigators in brazil now

gunpoint. how a judge tried to keep him in brazil. >> a new poll has resulted in a few key swing states, including colorado. which presidential candidate has a growing lead? >> we do have some rain showers across the state. few thunderstorms. we'll talk about our chances in denver. >> reporter: a teenager from highlands ranch found a living kidney donor through a bumper sticker. i'll explain. >> reporter: a cable across a bike trail! we're getting to the bottom of the viral video and

brazilian investigators are questioning ryan lochte's story about getting robbed in rio. he and three other teammates claim they were held at gunpoint early sunday morning. rio police say none of the athletes gave any key details, and a judge is

and a teammate be seized so they could stay in brazil to answer questions. but lochte's lawyer says the swimmer is already back in the u.s. a new poll shows hillary clinton leading donald trump in colorado. the polls showing clinton with 49% support to trump's 39%. and clinton keeps her lead, even factoring in support for big-party candidates gary johnson and jill stein. steven banner who wrotes a news website is now the campaign's chief executive officer. and conway is the new campaign manager. hillary clinton was campaigning in ohio today.

republicans dissect notes from her server. a teenager who found a living kidney donor is helping a young boy campaign for a kidney donor. >> kathy walsh brought us the story in april. >> she's a terrific girl. this teenager knows what it's like to live on dialysis. she's feeling transport. she's anxiety to help a boy in need. julian and adrian just met this year at children's hospital. something clicked. >> i really want to try to help this boy. >> reporter: adrian travels from fort morgan to children's four days a week for kidney

>> that's been life for 11 years. >> reporter: julian understands. her kidneys stopped work when she was five. her first transplant failed a year ago. the highlanes ranch tierj took action. she waged a bumper sticker campaign and found a living donor. >> i feel amazing. [ laughter ] >> reporter: her transplant was in april. she had a 2% chance of finding a match. her miracle was an unselfish mother of four. >> through faith and trying make another miracle happen. >> reporter: this time for adrian. jillian has a new bumper sticker request. adrian has a new outlook. >> does it give you some hope? >> yeah! >> reporter: thanks to a tenacious teenager who knows life is a gifted. >> she wants adrian to get to be a teenager too.

lauren whitney joins us with colorado's weather. >> we're hoping for showers toward denver but they're mainly off to our west and south. a lot of activity south of through the telluride area, aspen, vail, and colorado springs, a thunderstorm heading that direction. and a little pi peaks just a little more snow today. some of our weather watchers, a little rain today as well. in alamosa, a nice afternoon shower. it's a good night to be outdoor. it does feel pretty nice. we could have a few of these head over into

the evening. most of it should stay to the south and east. we do have a chance of rain coming through the denver area tomorrow throughout the afternoon and evening. a bit heavier to the north. maybe just a few scattered showers tomorrow night. a better chance of rain will come our way friday. temperatures still pretty warm outside. 88 degrees in denver, 90 in greeley, 90 in burlington and ray. the high country, 84 in avon, 59 in gunnison. and 86 in grand junction. our wind speeds, we have seen some gusty winds on the eastern plains. it died down quite a bit on the western slope

a bit gusty on the eastern plains. 90 degrees in denver today, 89 downtown. and tomorrow it's going to be another warm day, down just a couple degrees from today. 87 in denver, greeley. 82 in boulder, fort collins. high country 70s, 71 in eagle, 72 in aspen. 88 in grand junction. for the denver forecast tonight, upper 50s, skies clearing. denver. tomorrow in the mid to upper 80s. a little hazy. a chance for some storms. and for the 5-day, 75 degrees on friday! some areas may not get out of the 60s on saturday! may be a little too stable for bigger showers on saturday but it certainly will be cooler. and back to 80s on sunday. so it'll feel like fall coming our way on friday! >> i think the broncos have the home game saturday, right? >> yeah! put on a sweater! [ laughter ]

could they do it today? >> and talking about the broncos, the quarterbacks faced a different challenge at camp today. the niners' defense is in

over a million ears of corn are picked a day

to listen to what's most important to colorado farmers. michael bennet asked what he could do to help, and then worked with republicans to make a farm bill that's making a difference to all farmers in colorado. the thing that impresses me most about michael bennet: we don't always agree, but he values our input. and i do trust michael bennet to look out for us.

all along we knew this would be the week we'd start to see separation for the quarterbacks. broncos going through their first joint practice today. the q.b.s looking forward to today because

against the best defense in the league. sanchez and siemian had really good days. >> different looks. different colored jerseys. thought television a good test for us. we responded well. build on the negatives. >> i think it's good for all of us. it's a competitive environment at this point. we're so used to playing with each other. it's good to get some fresh faces in here and go against some bad guys and see what you got. >> still no word on a starter for saturday. the broncos' defensive line taking another hit. derrick wolf left practice after rolling his ankle. kubiak downplayed the moment.

okay. he is the second defensive lineman to leave in two weeks. >> that's scary especially with guys going down. i hope he's all right. but of that a tough one. chances are you were asleep by the time the rockies game ended earlier this morning. the game didn't finish until after midnight. if you did stay up, you got to see a the rockies won! looking for a series win today. they went off in the 1st. bases loaded for parra. brings everybody home with a double. the rockies jump out to a 4-0 lead. jon gray with a 2-rbi double. stephen strasburg didn't even make it out of the 2nd. lemahieu has been on a tear lately. this made it 11-6. the nats made it close.

tomorrow ,,

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copter 4 live over a fire near berthoud. firefighters have saved the homes so far.

government captioning sponsored by cbs >> pelley: mass evacuation. a rapidly spreading california wildfire is now the size of san francisco. >> in my 40 years of fighting fire i have never seen a fire behavior so extreme. >> also tonight, chaos at the top. donald trump goes through three campaign managers in eight weeks. the robbery mystery. >> they pulled out their gun. >> pelley: brazil orders u.s. olympian ryan lochte not to leave the country, but his family says he's already home. and turning the beauty of sport into an art form. this is the "cbs evening news"