through her mail truck window and hit her in the hip. >> can't even deliver mail now, it is so bad identiout here. >> reporter: at this point, a motive is unknown. >> we can't speculate at this time if she was or wasn't the target of this shooting. we are taking a look at all the information that we are going to gather from witnesses or surveillance video to figure out what happened. >> this is a federal crime. she is in stable condition. >> reporter: mail delivery will go on. a replacement truck picked up the wounded carrier's name. folks who live in this area are rattled. >> it is really sad when you have things like this go on. >> reporter: as the postal inspector mentioned, harming a postal worker is a federal crime. a $50,000 reward is offered for those with information leading to who is responsible. i am jodi hernandez nbc bay area news. >> jodi tweeted out multiple videos of that unfolded scene. you are follow her or follow us. our handle is @nbc bay area. a major construction site up in flames. was it foul play. n nbc bay area ian cull is out on the scene. >> reporter: this is going to take two days to get into the building. they will have to wait along with the 700, 900 evacuated residents. the construction site at 23 rrd and waverly. >> flames were pretty scarey thinking that is going to come through my bedroom home. >> reporter: everyone in nearby homes and buildings were evacuated. >> come on. come on, fire in the building. >> reporter: three of them ruled arson and another one considered suspicious. no one has ever been caught. tonight this is back to square one. the developer claimed security was on-site last night as were securities cameras but neither has provided a cows f-- cause fr the fire. >> reporter: this man has his suspicion. >> somebody don't want any construction going up. >> reporter: the fire adds a new sting to the housing crisis. >> this type of development is what oakland needs. this is a loss. >> reporter: firefighters are not saying this this is officially a suspicious fire. but it could take up to two days until investigators are able to actually go inside and those 700 to 900 evacuees back to their homes. >> a disturbing trend. the project developer called wood partners has gratitude tonight. we are working closely with locally fire officials and investigators to identify the cause of this fire. >> fire relief experts are going high-tech as well. drone taking thermal images and three-d mapping that fire. hot spots. those are the images that you are looking at. a viewer shot this while flying to salt lake city. if you see news happening in your area, we would love to see it. as forecasted by our chief meteorologists today is hot. sky ranger overhead in san francisco. fires at crocker amazon park. crews were able to contain this 23-acre fire around 3:00 this afternoon. also in concord for another fire. this one triggered traffic issues around 2:00 p.m. a live look in sunol, the fire danger especially high in the east bay. what are you seeing for the weekend? >> i think tfemperatures will gradually begin to top off. the peninsula warmed up near los altos. concord 102. one of the key indicator when we look at fire dangers is the humidity. closer to zero it gets, the faster a fire can spread. so it is really from brentwood over to danville. highest risk of brush fires would be in the east bay. wind out of the northwest 10th to 20 miles per hour. how much relief on sunday in about 15 minutes. >> you can track the weekend weather from the palm of your hand. download our free nbc app. lockhear -- she had a blood alcohol level of .22. she says that her husband suffered minor injuries. she has been in the headlines before. including arrest, rehab stint and -- the meeting scheduled 30 tor 45 minutes stretched to two hours. discussed a lot of international policy. putin, continued to deny any involvement in the hacking situation. coming up in about 20 minutes, we are going to go live to germany for more details. the latest weapon and an effort to peak inside north korea comes here in silicon valley. a local company. robert handa joins us from a company if palo alto. >> reporter: that is right. we are here at capel a space. there is no spy intrigue inside the space company. it is accomplishing big things by developing radar satellite. traditional radar satellites is a the size of a bus. local governments, and now the pentagon as it tries to follow north korea's missile activities. >> there is no difference between us looking at a parking lot or looking at a farm or a shipping lane or at a launch pad and understand whether something has changed in that location from a previous hour. >> reporter: still the world change is a big change from this start up. >> we have been thinking about network security and moving files to more secure places. whenever we see something suspicious we can alert them or give them the data which is probably going to be the case and they would be able to consume the data and analyze it themselves and make action as needed. >> reporter: now they plan to launch its fest satellite in a few months. >> thank you. up next, not just a campus, but would you believe a facebook mini city of sort. bold expansions right there in menlo park. not everyone is liking it. and then back in our hometown, to blast the health care bill, senator dianne feinstein lays out the consequences. after plenty of 90s in the south bay today, we are seeing a drop off. i will let you know how hot for saturday and how things cool off for sunday. coming up ♪ ♪ ♪ against the republican health care bill. senator diane feinstein -- one of the most infleiuntial politicans in the country -- says the bill threatens to shut down hospitals and cut off millions of people from health care. boxes nbc bay area )s thom jensen is t u-c-s-f children )s hospital in san francisco w/ the details. thom? raj/cg we )ll continue to follow any nw developments on it will disappear under the current gop bill. >> listen to these three women. their children would have been dead. i mean, i heard enough to just know that. >> reporter: it is that simple according to feinstein who those moms who say they know first hand medical saves lives and rescue families from financial destruction. >> if we didn't have that critical care at home, megan would be here. >> cut backs to medical would be fatal to children. >> reporter: cut services and the effect will be felt by everyone. >> the bill in front of the senate today will harm all of those children. >> reporter: saying the accur. y >> we see what this bill is. and it must be defeated. >> reporter: by phone, the california republican vice chair today told me that she supports an idea that was floated from republican senator ted cruz from texas which would give more options. it would allow insurers to offer plans that comply with obamacare more mandated. she said she could not comment on the medicare cuts because she didn't know enough about it. >> it is a big issue. we will continue to follow any new developments of this health care fights both on air and online. two men charged with involuntary fire after the fire back in court today. the judge postponed the hearing. for the two men. the two men face 36 counts of involuntary manslaughter for the deadly december fire. attorneys for both men say they are filing motions asking they be released from custody. >> this is a negligent case, he is not a danger or a flight risk. >> these people created this death trap. fire could not get out. they should be held accountable and stay in jail. >> the bail for them is about $1 million each. they are dealing with fakes a stunning discovery at a popular local museum. all of the ancient artifacts at the museum -- carried out by independent caurators. the chairman says he is surprised but not disappointed. >> it is not a negative. if you are going to say you have a top collection of whatever you have, you need to show how you get to it. easy for people to be detracted of something. but they didn't understand this is a national process that followed to have a national collection that is unquestioned. >> so what now? well the museum says they will likely donate the fakes to schools or smaller museums. firefighters are getting a handle on that winter fire. 31% contained. all mandatory evacuations have been listed. the main issue today erratic wind. the cause of what started it is still under investigation and the wind continues to be the issue just as it was yesterday. >> kudos to the firefighters because they are battling it into temperatures of low 100s and low humidities. our temperatures will gradually drop as we head into the next 48 hours. this is one of the nice families that we met to come out to the nbc bay area booth. the big story has been the heat. livermore a scorching 100 today. due to the fact that the fog backed off this afternoon. by 11:00 o'clock 74. newly issued heat advisory until 9:00 a.m. on saturday. if you live on that elevation, it is for the east bay and south bay hills. drink plenty of water as we head into saturday. how hot? i haven't been able to back temperatures at all for the interior valley. 104 in concord. 103 in antioch. we should see san francisco and half moon bay backing off a little bit with 60s returning. 95 inland. and much better here for the first part of next week as 80s return. brand new update in 25 minutes. >> thank you, jeff. facebook is revealing plans for a bigger campus, new housing and even a grocery store. i am michelle roberts in menlo park. why some neighbors have mixed reactions about this plan. on our twitter feed... zaza is here to stay. warriors star zaza pachulia -- who was free agent is staying w/ the happening now on our twitter feed,zaza is here to stay. staying with the team. he agreed to a one year contract worth 3.5 million bucks. and on our home page, if you lost your pet on the fourth of july. check out the humane society. who are these people? the energy conscious people among us say small actions can add up to something... humongous. a little thing here. a little thing there. starts to feel like a badge maybe millions can wear. who are all these caretakers, advocates too? turns out, it's californians it's me and it's you. don't stop now, it's easy to add to the routine. join energy upgrade california and do your thing. it )s footprint -- by building a mini-city for the company. raj an elaborate plan by facebook wanting to expand its footprint by building a mini city. >> a 5 eight-acre park in menlo park. what is the reaction so far? >> reporter: well it is mixed. some neighbors want to see this happen. and others are very concerned about traffic. i am here on willow road and there is traffic backed up for miles. the property is just behind it. but the hope is that if people live where they work, traffic will be less of a headache. >> campus needs to be integrated into the community. >> reporter: announcing the company's plan. walking distance from facebook headquarters. it is a proposal to turn the current office buildings into what they are describing as a village. >> i think facebook is taking over this area. maybe it is good or maybe it is bad. >> reporter: if the city council approves the plan, the village will include 1500 housing units, shops and a grocery store. menlo park mayor says her concern is increased traffic. if we can build more housing here, that is going to help with traffic and transportation issues. >> no more of this, no more nothing. >> reporter: and continue to face a 30-minute commute to the nearest grocery store. before construction begins there needs to be an environmental impact report expected to take a year and a half and then the city council will vote. >> that is a big deal for menlo park. tonight the newest affordable tesla is rolling off the assembly line. the model 3 is being built. more than 400,000 people around the country are on the waiting list for this model 3. base price is $35,000. >> we are finally face to face for the first time for world leaders. what president trump and vladimir putin talk about for more than two hours behind closed doors. investigators are searching for answers as they try to figure out what started the massive fire on an oakland department building. coming up inside a fire investigation. ♪ ♪ award winning interface. award winning design. award winning engine. the volvo xc90. the most awarded luxury suv of the century. visit your volvo dealer today and get up to $4,500 in allowances. met face-to-face with russian right now it is 6:30. president trump met face to face with vladimir putin stayed behind closed doors for more than two hours. >> it is now about 3:30 a.m. day. jay gray joins us live in hamburg . >> reporter: we are at the center of where the most violent protests were this evening and still there are flare ups. there are still people here. you can hear the chanting right there. you can see some of the rubble still smoldering as well. let's give you a real time look at exactly what is unfolding. a lot of people on the streets. a lot of officers as well. this going on outside of the g- g-20 summit. the meeting between president trump and russian president. >> we have been discussing various things and i think it is going very well. we have had very, very good talk. >> reporter: the meeting scheduled to last 30 to 40 minutes stretched for more than two hours. lengthy conversation about russian interference in the 2016 election. tillerson outlined the exchange during an audio briefing after the meeting. >> let's talk about how we go forward. >> reporter: next, tillerson who was part of the meeting saying the leaders turn their attention towards syria ultimately agreeing to cease fire. following their extended bilateral session, the two leaders joined the rest of the g-20 delegation for a symphony inside hamburg 's state-of-the-art concert venue. while a different tune echoed outside in the streets. protesters pelting officers with rocks, bottles and fireworks. security responding with pepper spray and tear gas. this is the remnants of the fire burning through much of the night here. you can see some of the debris left behind. and there are windows shattered, cars burned out. hundred thousand demonstrators in the city right now. they say they will continue to march and continue to protest. you hear police coming through right now. in fact pretty quickly. >> that was jay gray. you can see how active that seen was even at 3:30 in the morning. this is one of the trending stories on our facebook page. you yourself can leave a comment. another check on the developing news out of oakland. fire near the corner of valdez and grand avenue. fire crews are still on-site. have not stabilized the building enough. the fire destroyed a seven story building. several homes and buildings nearby were damaged as a result and see evacuations under way. 700 to hundred hundred people still -- 900 people still remain evacuated. a crane still sitting there. it needs to be dismantled. the crane was starting to swing around on its own because the wind was being pushed around so much generated by the fire. >> crews will be coming in throughout the night. heavy equipment coming in throughout the night. working to set up for saturday and sunday for dismantling a scaffolding and securing a crane. >> about 700 to 900 people have been displaced. neighbors of the building had to be evacuated. there is a shelter set up near lake marric. >> this is now the fifth major fire in the past five years. all of these fires happened in projects to build new apartments and retail space. the last four were ruled suspicious or arson. repo report. >> reporter: we want to give you a -- so how do you figure out how a fire started? we sat down with a fire investigator who spent nearly 20 years on the front line. he is investigating these fires but tells us when there aren't eyewitnesss willing to speak up, fire investigators have to look to the damage to tell the story. >> arson is a hard thing to prove. >> reporter: jeremy davis has investigated more -- walk into that site, what exactly will they be looking for? >> we look for different fire patterns or fire indicators and what those are are things that we can see that will show us fire travel, fire movement. >> reporter: how does a fire started by arson look different than any other fire. >> if a fire starts normally, it starts at the point of a v and moves up or out. if you use ignitable liquid, the start of the fire is wide at the base. >> reporter: what looks like charred damage, to a fire investigator it could be evidence of where it started. >> absolutely. and it doesn't burn everything away. it changes what it looks like. >> reporter: davis believes most construction sites don't have enough fencing to keep people out. companies should use private security and have people walking around. the company that -- >> we want to give you a follow up of a brush fire that burned several structures in solano county. this was near travis air force base. that fast moving grass fire began in a grove of cyprus trees. the flame spread to a field. and open space right now the air force base. the good news is neither cows nor people were injured. a petition to rename justin herman plaza. they accuse herman of leading efforts to demolish homes and businesses. and that he tried to keep black families in the bay view and hunter's point. the petition calls for the plaza to be renamed after maya angelou. big changes in the work in san francisco treasure island. it is the biggest urban renewal project in the city since the 1871 golden gate park was put together. >> reporter: there are few places in the bay area best known for their views of somewhere else. >> certainly an interesting place on earth. >> reporter: san francisco treasure island draws visitors as a vantage point rather than a destination. if they did look inward these days, they would see massive piles of soil, fences and heavy machinery. the island is in the midst of a massive redevelopment that would result in new homes, restaurants and lots of art. >> amazing new chapter in the history of the island. >> reporter: san francisco arts commission along with the treasure island development authority just created a master plan fort island. the arts commission expects to generate more than $50 million to turn the island in a hub. >> world class des stination. >> reporter: using materials that might seem familiar. >> i am taking three massive girders from the old east span of the bay bridge and cut them into wedges and form them into a circular shape. this will be a doughnut shape i have been calling it. the whole bay area is visible from the spot and i love it for the place of the structure. >> reporter: the idea of the island as an arts destination isn't that far off. >> a strange combination of the beautiful, the exotic and magnificent. >> in some ways it is going back to its origin. >> reporter: the master plan will begin with three large scale pieces. including one for the ferry terminal. sometime in the not so distant future, people will come out to see these views on the way to see the art. >> a little art to beautiful view. >> we've got to go there right now. are we fog free at treasure island this weekend. >> we are right now. a little fog will make it back this weekend. concord up to 100 again by 3:00 p.m. saturday. we are tracking this heat. an important piece of baggage doesn't arrive on time. and the airline compensation doesn't simply cut it. i am chris chmura nbc bay area responds. next. road: . be careful driving this weekend. a visual reminder why you need to be careful on the road. this is a photo of a car hanging off an of overpass. it happened yesterday on 680. an air line ru achlt ned. -- but his checked back didn't arrive. that bag contained his fishing gear. now albert says frontier told him they would track down the back and deliver it to him. now albert could have gone to the store and bought new fishing gear. but he didn't because the airline kept confirming they had his bag and could deliver it to him. that didn't happen. he didn't get to fish with his grandson. and he was finally reunited with his bag the day he was going home. frontier gave him 75 dollars to cover. he contacted us. they offered him $350. if you have a consumer complaint. call us 888-996-tips or online nbcbayarea.com. >> 300 is better than 75. >> much. >> really hot. >> sunday we will begin to feel changes across the bay area. by then three to six degrees of cooling. today, contra costa, alameda county that heat won out. the hot air slid in and helped to evaporate any kind of moisture getting close to the coastline. as we head to tomorrow's forecast it will be hot inland. this is for hills in 1,000 feet in the east bay. just remember to drink plenty of water and know these temperatures will be approaching 90 to 103 degrees. more in a second. but i want to get you into tomorrow morning's forecast. no problem at all. peninsula a few patchy clouds. for san francisco, a little bit of isolated fogs and 58 and for the north bay mostly clear. saturday forecast again warm weather here for the south bay. we should stay out of the 100s for san jose. downtown san jose 93. gilroy, watch out, we will hit the century mark as we head into saturday. all of the hot air will be trapped in. 80 at oakland. 103 in livermore. if you are headed out to the east bay, trying to get into the alameda county fair, the last weekend. opens at 11:00 a.m. just remember to drink that water. it is going to be warm through that last weekend. we have nice beach weather head over to half moon bay with 65 degrees. san francisco 70 along the embarcadero and cooler near the marina. 88 in mill valley. 95 expected in napa. we will spend time on our extended forecast. in san francisco, we stay with the upper 60s up through sunday and then 60s continue to next week. may pop into the 70s by thursday and by friday, down to 69. and then marked relief by next monday tuesday, also on wednesday's forecast. coming up over the next 14-day period, looking far out, keeping our eye on monsoonal moisture to the south. there is potential beyond the seven-days we may see isolated thunderstorms. >> now monsoons this year. we have seen everything. >> you name it, we had it. would you believe levi stadium, why the home of the 49ers has been transformed. golf clubs. levis; stadium -- is now a golf course. sort of.. jess/2shot sounds like a drea they put away the football and brought out the golf club. that. >> almost 1,000 people teed up today and of course collin was one of them. >> levi stadium wasn't built to be a one purpose facility, it is all inclusive. soccer games, monster trucks and now you can add golf to that list. the nine'ers have partnered through monday. >> we are expecting 900 people today. so 2700 people through the weekend. should be a busy weekend. >> reporter: it's target golf. find the stans, give yourself a bo boegie. >> it is a pretty cool thing. >> reporter: especially when you can convince your dad to do it with you. >> my son called me and said, dad, what are you doing saturday morning, we are playing at levi stadium. >> reporter: she is here playing with friends. you look at this layout and what are the first thoughts that went through your head. >> it is neat. we got out on the landing and took a look at all the tea boxes around the stadium. it is neat. >> reporter: the nine'ers say they like to make this an annual event. >> i noticed collin's swing there. >> you were making a lot of comments about it. let's see the swing. there is the swing. nice swing. >> it is going to be hot. >> temps in the 90s. a little cooler sunday, but much, much better by monday's forecast. >> we made it. >> have a great friday night. . ben affleck dating again. his new girlfriend revealed. did she also move in to his bachelor pad? now on "extra" ben affleck moving on from jen, stepping out with his new girl. >> who is the new lady? >> who is she and is it more than a summer fling? plus more couples news as we track jnks-rod date night. and what's really behind angelina buying this new mansion? a new bat"bachelorette" break d. >> i love men who are so open with their emotions. >> clues to the top secret proposal. beyonce and jay-z's lit