fire out. emergency sirens roar at the chevron refinery in richmond while a fire at the refinery sends flames and a plume of thick black smoke into the sky. the alarm means shelter in place. >> i was at my girlfriend's house. the alarm first and then after the alarm started, i heard a couple of the explosions. >> reporter: darren said he had to come see what was turning the sky black. confident the win was carrying toxins away, he and others watched the refinery burn. >> it doesn't look good. i hope nobody died. >> reporter: chevron said everybody is accounted for. one employee received burns to his wrist but no one else was hurt. it started in crew unit number four. the general manager said the emergency started with a leak. >> there was actually some folks responding to a small leak. and when they got there, the leak had increased and as a

result, they evacuated the area and that's what caused the fire. >> reporter: he said the diesel that was leake was above the auto ignition temperature which means it can ignite without a spark. and in a super heated environment, full of fuel, that fire took off. chevron said it shut the unit down but it will take hours to put the fire out. >> at this time we're actually putting steam and nitrogen into the union. that's part of the way we would safely extinguish the fire. >> reporter: chevron said the crews would stop the spread of the fire nearly four hours after it started. once the fire is out, it will have lots of questions to answer. mike fowler wants to know what went wrong and what he's breathing. >> definitely a concern. you don't know what the toxics are. you know? until they tell what you it is. >> reporter: mr. fowler and many others will have a chance to ask those questions and many more tomorrow night at a communicate meeting. it is scheduled at 6:00 at the richmond memorial auditorium. in the meantime, this fire is still burning and the cause of

the leak that started it all is still unknown. reporting live in richmond, nbc bay area news. >> thank you. that plume of smoke set up by the refinery fire could be seen from miles away. this video from one of our traffic cameras in san francisco gives you a sense of how enormous this disaster was and how dramatic it looked from across the bay. the thick black cloud is dangerous to breathe. especially for those with respiratory problems. crude oil byproducts is toxic. a few of the chemicals in the clouds were hydrogen sulfide and sulfur dioxide which are extremely dangerous in high concentrations. while the shelter in place warning has been lifted, experts warn if you can still smell smoke, it is best to stay indoors. nbc bay area's arturo santiago is live at the medical hospital. one of several hospitals treating patients right now. arturo. >> reporter: a lot of people are feeling sick. now most of them know about the black plume of smoke from the chevron refinery but some of

them only know that they're having trouble breathing. children are wearing surgical masks to protect them from the smoke. >> trying to get in here to check on my grand baby and my nephew. and then i got another niece and nephew down at kaiser. >> reporter: joils williams came to doctors medical center with her grandchildren because they felt sick. >> i have lightheadedness and we could smell the stuff. >> just having a hard time breathing and stuff. >> reporter: one patient tell me there are dozens of people in the emergency room waited to be treated for respiratory problems. >> there's about 40, maybe 50 people in there waiting to be seen. and they're filling out the little slips for emergency purposes. >> people sick in there, headaches, migraines and people's eyes are really red and watering. >> reporter: contra costa county issued a shelter in place order to about 8,000 residents in rich monday, north richmond and san

pablo. >> the smoke can be toxic. this is very black smoke so that means a lot of particulates and incomplete combustion from the fire itself. >> reporter: although some have complained about not getting the reverse 911 call. >> we have zones around the facility that we call. and that we call those zones so they may be outside the zones and they may be be getting those calls. >> reporter: the bay area air quality district tells me it had a half dozen inspectors set up air monitoring systems. it will have result from those air stations in a couple of days. that will help them determine what went wrong. nbc bay area news. >> thank you, arturo. because of all that smoke, the toll workers were send home from the brink and commuters going through say they saw signs at the plaza that that, do not stop. toll-free. apparently that message, too good to be true. tonight cal transit is

clarifying saying they were not supposed to say anything about free tolls. pictures were snapped of license plates and drivers can expect to be sent a bill in the mail. although the bridge was not shut down, three b.a.r.t. stations were closed. a half-hour ago all stations were reopened including the richmond station. this is not the first time a fire has erupted at the chevron refinery. this fire in january 2007 burned for more than ten hours. nbc bay area's chief investigator tone is looking into the story. >> reporter: two other fires at that richmond facility in the past 13 years, and a major fine to tell you about. the 2007 fire that you just showed was also at the number four crude unit, the site of tonight's fire. at the time of that fire in 2007 the refinery was preparingor scheduled maintenance. one worker received minor injuries. the cause of that fire was the failure of a wash oil spool connected to a pump.

the second fire at the richmond chevron facility was in 1999. in march of 1999. this fire was in a different section of the richmond refinery called the north iso max union. it sent people to the hospital with breathing and eye problems following a large plume of smoke over contra costa county. follow the 1999 fire, osha fined chef rob $31,000 in connection with the explosion and fire. the state workplace safety investigators issued a total of six citations at the time and said chevron failed to properly inspect the valve. five of the violations were deemed serious and osha said chevron should have known there was a substantial probability that death or serious physical harm could result from the conditions at the refine rix one other note. in 2011, the bay area air qual management district, fined chevron $170,000 for air quality violations over five years at the richmond refinery and

historically, the richmond refinery has been operating since 1902. and produces nearly 243,000 barrels a day. it is the third largest refinery in the state. >> okay, thanks for that back ground information, tony. moments after that fire erupted, check it out. viewers captured the images. they're on our home page at nbc bay area doc if you want to check it out. i want to show you the live picture now. you can see the big black smoke plume is gone. the refinery says the fire is still burning but it is contained at this point. the shelter in place order has been lifted. that is not in if he can anymore. and all b.a.r.t. trains are now operating. let's go to chief meteorologist jeff ranieri on what the wind conditions are in that area. we saw the wind really shift. there was a plume and then when darkness came, it seemed like it fluctuated and that's when he we saw it dissipate into big aer crowd.

>> as the sub went down, we did have winds ramp up. but fairly calm winds for this time of year, limited the overall spread of that toxic plume. the winds right now, five to ten miles per hour. that's great news for containing some of the toxic smoke to right near the richmond area as that fire continues to get extinguished. we do not expect a large wind event as we head throughout the next 24 hours. we may see winds 10 to 15 miles per hour as we head throughout tuesday. nonetheless, we're not at extremely high wind. if another shelter in place is issued overnight, let's say, you want to remember these things. to stay indoors, keep the windows and doors closed. keep the a/krrns and the heating systems off and possibly be prepared to seal those rooms further. we don't want to panic you but if that is issued, that's what you should do. still ahead, an investigative unit. exclusive attempted murder, assault, even rape. some of the major crimes committed at bay area schools

that never are reported. tonight we ask why. and we ask what kind of risk the students are facing. good morning from london. the side of the olympics that perhaps they don't want you to see. many of the workers are from the united states.

assault, rape, what if those crimes happened at your child's school and you were never told.

a system that is supposed to be tracking dangerous schools, the question is, why isn't it? >> that's right. over the past three months, we found nearly 100 public records requests with law enforcement agencies, school districts and the state. what we found crime on campus you didn't know about until now. chilling crimes at bay area schools. including attempted murder. none reported to the state because administrators didn't have to. it was 2009 when sources say a student at pioneer high school began harassing a female classmate. he was eventually transferred to another school. but within days, sources say he was back on pioneer's campus. in a black trenchcoat. the principal called law enforcement. sources say as the girl walked

out of classroom, he ran toward her and was tackled by police. in his jacket, a 14 inch knife and two suicide notes. the student was tried as a juvenile and convicted of attempted murder. the san jose unified school district kept it quiet and when we asked what happened that day, the assistant told us a simple but shocking answer. >> we don't have that information. >> the district doesn't have specifics about an attempted murder that happened at school? movie that type of information isn't necessarily something that we make publicly available. >> the student was almost murdered at school. no need to tell parents about that. >> we really rely on our school staff to make the best judgments possible to inform the community about what is happening. and as i've said before, it served us well. >> in this case, the student was never expelled. according to the district, his family asked the board of education not to. the district said he was in

juvenile hall. >> reporter: i believe he is related to the person who was at that time the president of the board. >> okay. >> reporter: that student is related to veronica lewis. she was the president of the board. lewis refused to comment about her involvement in the case. do you think that had any impact? >> it may have. >> reporter: the decision not to expel did impact what the state knows about the case. which is absolutely nothing. schools are required to report suspensions and expulsions. it is mandated by the no child left behind act to keep tabs on which schools are dangerous since the student wasn't expelled, it wasn't reported. also not reported at other schools in the district. an alleged rape and a student threatened with a knife. the suspects weren't students. so the crimes were not recorded in state data. and that's why the district tells us they don't have any information. >> it does merit a very high level of concern. >> reporter: dr. ron stevens is

the executive director of the national school safety center. >> if you don't have a clue of what the problem is and you haven't tracked anything, it will be pretty hard to fix the issue. >> reporter: we found another issue. students caught with drugs and police never told about it. records at mountain view school district showed half the time they caught students in possession or under the influence influence. >> who is confiscating that. at another school district, bad record keeping. students caught with marijuana, others selling it. but police were call just four of the 35 times. they now tell us, the kos were called. they just didn't document it. >> the system is currently flawed in a lot of ways. >> reporter: the assembly member is working on several bills to change how districts report

incidents. he says schools should be held accountable. >> i think most parents would say they want to know about it. they want to know what's happening and it should be made easily available. >> reporter: now as a result of our investigation, several districts including los gatos saratoga say they're now working to improve their record keeping system. as we mentioned, the state tracks which schools are dangerous based on certain expulsions. we found some districts are giving the state bad information. we'll have that story tomorrow night after the olympics. >> as a parent i have to say, that is just stunning. thank you very much. i look forward to tomorrow. if you have a tip for our investigative unit, give us a call at 888-996-tips or send us an e-mail to the unit at nbcbayarea.com. to our exclusive coverage of the london 2012 olympics. we've seen many beautiful pictures from the bridge to the

eye. what about the part of the city we don't see? raj mathai joins us from london. it is about 8:15 tuesday morning. we see the beauty of london but there's an underside as well. >> reporter: there sure is. almost everything is beautiful. how they're treating us, the journalists, how they're treating the visitor and how they're treating the olympians. but how they're treating the part time workers, that's a different story. we were surprised to discover what we saw. take a look. these are the images we're used to. but the glamour and even farther east of the olympic park is the road less traveled. the other side of the olympics. crawling with barbed wire. the side the london organizers would rather you don't see. after a long dave cleaning the olympic venues, thousands of people, mostly students from around the world, come home to camp cleanevent. our cameras not allowed in.

of the scrap metal yard turned dormitory. >> we live ten to a trailer and they're pretty much like storage units. so they're not great. >> reporter: ethan is a college student from south carolina. and he agrees, this is far from the hyatt regency. >> 75 people to one shower. >> reporter: don't be fooled, like many others, he isn't complaining. this is their ticket to the olympics. ? i've been gone since may 15th. i've had one of the best time of my life. i'm kind of regretting going back to school. >> in hungary it is maybe three pounds. >> reporter: for many of these students, it is not just about the salary will. >> drinking money? >> reporter: it is about an experience of a lifetime even if it is a bit rough around the edges. >> okay. not everyone is thrilled about it buzz those two gentlemen

were. knob the less the games go on and most of those people had having a good time. as for the competition. do you remember branny had one of the best game in history. now another soccer star in the semifinals of team usa soccer against canada. take a look. >> here come the drop. it's in! alex morgan has done it! >> reporter: unbelievable. alex morgan, the cow alum at the end of the second overtime. the dramatic goal as team usa beats the today made the i can't bes -- beats the canadians. we should note just last year in the world cup finals, japan beat team usa. so now maybe some redemption for the americans. team usa against japan for the gold coming up on thursday here in london. and finally, this morning here in london, maybe someone sleeping in. a lot of usa swimmers had a nice

night last night. staying up pretty late at a london nightclub. michael phelps, ryan lochte, all the stars. even some of our bay area stars. natalie and dana vollmer, having a good time. after you get your work done, you compete, you win your medals. no problem, you go out and enjoy the night life of london. all these people have another few days before the closing ceremonies coming up. it is just me and the tower bridge. it is early on tuesday morning. this place usually gets very crowded but we'll give it another couple hours. the activity and the hustle bustle of the day. >> you get to go party after the end of this week. you've still got a lot of events to cover. we'll see you tomorrow. a lot to celebrate over in london. the weather is fabulous. >> it hasn't been too bad. right now we've had a decent recovery. a little chillier in novato in

the 50s. let's take you to that live sky camera. the past two to three days, it has been about the fog. from our vantage point to the bay bridge, it is clear. the lights back in the east bay. one of those nights where they're twinkling pretty bright. here's what we have happening. we do have monsoonal moisture sitting across the four corners. what we do have is this hot region of high pressure. it will scoot just a little off to the west and also to the north. that conveyor belt of warm air going for tuesday, wednesday, thursday, friday, saturday, sunday, maybe even into next monday. one of the longest stretches of hot weather coming our way. 60s and 70s for the coastline. 80s and 90s back to the east and the south bay. i think a lot of you will begin to notice it like oh, my gosh. it is so hot out here as we head into wednesday and definitely by thursday and friday. we'll detail. 95 in livermore.

83 in san rafael and 73 in san francisco. olympics right here on nbc. some equestrian happening on tuesday. a slight chance of a shower. the temperatures in the 60s and we'll keep that chance of showers even for parts of wednesday. then we dry out, warm up. look at that, 80 with mostly sunny skies and speaking of equestrian, this is where it sets itself apart from all other events. the only sport in which men and women compete against each other on equal terms. it doesn't matter. the cross country course in eventing. okay. on that three-day forecast. the temperatures in the mid to upper 90s wednesday and thursday. we'll go with 100 on friday. then saturday and sunday, we'll be close to 100 by tomorrow, we may have to bump that forecast up a little more for saturday, sunday and monday. >> hot. >> thanks so much.

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hit send... and their checks are deposited right to their account. well almost all of their checks. stand back. seriously? [ male announcer ] citibank mobile check deposit. easier banking. every step of the way. let's get it started with baseball. and matt cain for the giants is struggling. especially away from home where he's given up six home runs in his last three starts and that includes the issues he had monday afternoon in st. louis. giants and cardinals, top six, giants down 2-1. buster posey with a home run. fourth homer in his last four games. tied 2-2. bases loaded, two outs. matt carpenter lines one to left. a two-run score.

the cardinals up 5-2. cain gave up five runs in 5 2/3 innings and the giants fall to st. louis 8-2. angels and a's. runners on the corners. two out. mike trout singles to left. erick aybar scores. 2-0 angels. runners on second and third. torie hunter singles up the middle. weaver likes it. the angels win 4-0. weaver gets the complete game shutout. the angels take over the second spot for the a.l. wild card race. that's a look at sports. let's go back to you. >> thanks, dave. we'll be right back with an update on the refinery fire.

okay. we're continuing to follow breaking news in richmond. a fire at the chevron refinery and here's the latest information. crews have contained this fire but tonight, they're still working to put out all the flames. so this is what we know at this point. the fire started in the number four crude unit because of a

crude oil leak that then ignited. one person did sustain one minor injury but was treated right on site at the chef ron refinery. they had their own crews working and then they got aid from the fire department. health official have since lifted the shelter in place order that was in effect for some five hours, affecting about 150,000 people in the areas of rich monday, north richmond, san pablo and norther is eato. commuters tonight, you don't have any problems in the morning. three b.a.r.t. stations that were initially closed and shut down for most of the night have been reopened, including the richmond b.a.r.t. station so the commute tomorrow should be no problem. >> the cause of the fire, they say it started with a leak but the cause is still unknown at this time. there are some residents in the area who have gone to local clinics. reporting some breathing issues so we'll try to follow that and of course, bring you the latest in the bay. >> see you tomorrow. ♪

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welcome back to continuing coverage of the games of the xxx olympiad. from our studios in london, mary carillo. >> majestic big ben looms as the centerpiece of the london skyline. hi again, everyone, and welcome to olympic late-night. coming up tonight, the women's shot-put, an event in which new zealand's valerie adams is looking to repeat as champion. but we begin with men's beach volleyball and the quarterfinal match between italy and the netherlands. the italians knocked out the defending olympic champion american duo todd rogers and phil dalhausser in the last round. chris marlowe and kevin wong had the call from horse guards

parade. >> it has somehow turned into a gorgeous evening in central london. a waning gibbous moon silhouetted to the east, and we come to the olympic court. we have a quarterfinal match-up for you. the dutch team of richard schuil and reiner nummerdoor. taking on knick o'li and lupo. the winner takes on the germans brink and reckermann. a good look at the dutch. richard schuil, 39 years old, 6'8", former indoor star. and his partner, nummerdor, also a former indoor star. th