a sniper fired 150 rounds at the metcalf substation and caused $15 million in damage. fbi won't comment on the investigation but some believe it was an act of domestic terrorism. >> work on the fence is scheduled to start or should start sometime in the next few months and metcalf will be the first substation we're working on. >> he also says alarms will also be added along with other measures. the project will cost $86 million over a three-year period. that could lead to higher rates for customers but it's too early to tell if that will happen. >>> three students in alameda were sent to the hospital this morning because of a gas leak in a classroom. it happened at the high school on central avenue in the west end. about a dozen students were inside the classroom at the time. it's not clear what caused the leak but school officials say it has been contained. they say the three hospitalized students were sent in for observation. five other students were sent home. the rest of the school was not affected. >>> despite the recent rainfall, east bay residents may be asked t

it happened in the so called metcalfe substation in south san jose.lines cut, then, the live in mountain view tonight. a government energy official believes that this was mer than vandalism. right? >> well, you'll recall at the time pg&e said it was vandalism and fbi believes it was not terrorism. but now, the official raise that had question, whatever the case as this interest in the attack raised concerns over vulnerability of our power system. the shooting captured on surveillance video. first a streak of light which may have been from a flashlight followed by rifles and sparks of bullets hitting the chain link fence. former agent rick smith was with antiterrorism unit. >> wasn't just a couple guys having a beer, it was some attack that was planned and it looked somewhat professional. it happened april 16th. someone dropped into a underground vault, cutting phoneo:'< cables then, the snipers opened fire on the substation, shooting for 19 minutes more than 100 fingerprint-free shell casings were found. they knocked out 17 transformers that supply po

this incident, this alleged vandalism is at the metcalf substation. o the silicon valley, all the tech companies there, and also just to the people who live there. the idea that somebody would pull up to the substation in the middle of the night and start blasting away is weird, it's kind of hard to believe, it's also scary, because it turns out that whoever did this appears to have had a plan beyond just putting a few bullets into a power plant. >> millions of people in santa clara county are being asked to conserve electricity. that's because someone sabotaged underground cables and fired at a pg&e substation. joe, this just sounds crazy? >> this is very unusual, and very serious. the sheriff says saboteurs struck above and below ground. early this morning they lifted up heavy manhole covers and lifted up the at&t fiberoptic cables. someone fired a highpowered rifle into pg&e's substation. >> we believe that the perpetrator or perpetrators were familiar with systems. they knew where to go for the fiberoptics, where to cut, they were able to take out

. >> reporter: pg&e insists ever since a hale of gunfire damaged the metcalf substation last april the been working to make things more secure. but until now it hasn't gotten spec. >> we haven't been disclosing specific details about the security measures in place because we don't want those details to get into the wrong hands. >> why now? is it because of all the attention there is getting that you think maybe the public needs to know? >> well certainly all this media attention, we're trying to find a balance of certain level of information to assure the public that we're working on it without providing too much specific detail that we don't want to get in the wrong hands. >> reporter: but it's not just the media. four senators also sent a letter last week to the federal energy regulatory commission suggests it may be time for mandatory security standards for the nation's utility systems. and at a security conference last november a former pg&e executive called the attack well planned and well thought out and called for changes on how it secured its 900 substations. >> we will have to

. >> reporter: pg&e insists ever since a hale of gunfire damaged the metcalf substation last april the utility has been working to make things more secure. but until now it hasn't gotten spec. >> we haven't been disclosing specific details about the security measures in place because we don't want those details to get into the wrong hands. >> why now? is it because of all the attention there is getting that you think maybe the public needs to know? >> well certainly all this media attention, we're trying to find a balance of certain level of information to assure the public that we're working on it without providing too much specific detail that we don't want to get in the wrong hands. >> reporter: but it's not just the media. four senators also sent a letter last week to the federal energy regulatory commission suggests it may be time for mandatory security standards for the nation's utility systems. and at a security conference last november a former pg&e executive called the attack well planned and well thought out and called for changes on how it secured its 900 substations. >> we

this metcalf substation obviously was in a very sensitive and critical location but i think as you pointedterview, it speaks to the reliability of the bulk power system that the operators and the system was able to continue without really even the lights blinking. no one even knew that the event had happened. >> woodruff: didn't he say that was mainly because it was spring, there was not a high demand for power at that time of year? >> so, i think those are factors, but i don't necessarily agree with him on the entire concept there because the bulk power system is designed to be able to absorb these kinds of incidents and events. substations go off line i won't say all the time but it happens. it happens during nature events. it happens during other kinds of events. they go offline and typically the system heals itself without people even knowing about it. >> woodruff: what about his final point that this is something that the federal government needs to get involved in, that congress needs to pay attention to, national regulatory attention. he talked about some of the things that needed t

>>reporter: since the attack there has been security guards watching over this substation on metcalf road. you can see the security guards and we were here about a half hour before we saw these guards show up. the tribune is reporting that in addition, pg&e will be using advanced camera systems an additional alarms at multiple substations including the metcalf one near san jose and there are other security measures being taken that are not being revealed and it is a highly moveed one and phone service but they will not comment after something bigger saying it may be domestic terrorism. they say the improvements pg&e is making may lead to raising customer's rates and the request is made to the regulatory commission and paint page reportedly didn't give a timetable to when work would start and we have a call into pg&e to get some answers. reporting live near san jose. >>> it is a job for willie brown, the western portion of the bay bridge will be officially named willie brown junior bridge and about 500 people from world politics entertainment and sports are on the on the guest list fo

in the early morning hours of april 16th 2013, gunman opened fire on pg&e's metcalf transmission substation south of san jose. this is surveillance video from the substation on the morning of the attack. just after 1am sparks can be seen flashing in the dark, possibly from bullets striking a chain link fence. by the time authorities arrived, the attackers had fled into the night. in all, 17 transformers were time damaged. pg&e routed electricity around the crippled substation and no customers lost power but it took crews nearly a month to repair the damage. sheriff's department handled the initial response and it was clear from early on that the attack was coordinated and well planned. 10 months later the attack is making headlines once again... in a new interview with the wall street journal the former chairman of the federal energy regulatory commission jon wellinghoff says that the attack was "the most significant incident of domestic terrorism involving the grid that has ever occurred" wellinghoff also tells the journal that he's going public with his concerns because he believes tht th

. >> pg&e has not identified which substations will be improved but metcalf is one.ave to foot the bill. >> we have heard of distracted driving and doctors are expressing concern about distracted parenting as nonfatal injuries are increasing by 3 percent a year for children under the age of five. that is 2.5 million injuries a year. the spike reverse as trend from a decade ago. a body television believes parents are distracted by smartphones and other tech gadgets. >> guilty. as charged. >> how is the weather? >> on the roads, it should be dry this morning. mike? >> dry and some are sweating a little because of the moisture in the air but it was a lot easier to get to work today than yesterday. good morning to you, we will look and show you what is going on with live doppler 7 hd, still tracking thick fog around livermore and novato and santa rosa and quarter mile or less. santa clara valley is getting thick and clouds around oakland and hayward and san carlos and sfo and around half moon bay. as we look at the temperatures here is how to dress: low-to-mid 40's throu

pg&e will best supreme securityy area substations after an attack on the metcalf facility.energy official said he believes this was a test run for a terrorist attack. the fbi disagrees. regardless it did $15 million in damage and pg&e doesn't want to take any chances it will happen again. >> we will deploy opaque fencing to obstruct the view into the substation and we are deploying additional advance cameras and more alarms and enhanced lighting. >> peg has not identified which substations are to be improved. customers may have to foot the bill. >> we all heard of distracted driver and now there is "distracted parenting," as nonfatal injuries are increasing by 3 percent a year for children under the age five. that adds up to 2.5 million injuries each year. the spike reverify as trend of a decade ago with no studies done yet but parents are distracted it is believed by smartphone and other technical gadgets. we are not just talking when they drive but every day interactions. >> it is true. >> we will check on the weather with mike and see the chants of more rain. >> cut it o

substation in santa clara county may have been an act of domestic terrorism. surveillance video captured the gunfire in april of last year as someone shot 17 transformers at pg&e's metcalf facility in south san jose. at the same time, some nearby at&t fiber optic cables were severed. it's all concerning to jon wellinghoff a former chairman of the federal energy regulatory commission. >> it was an organized coordinated attack done in a way that was extremely well planned and executed and that's been confirmed for me by people from the department of defense. this is the most significant attack on the electric grid that's ever occurred in the united states. >> the "wall street journal" says back in november, former pg&e executive mark johnson expressed similar concerns. the fbi says it's still investigating but so far has no evidence that terrorists were involved. no one has ever claimed responsibility. >>> 6:07. come tomorrow the world will focus right here on sochi for the winter olympics. a live look where the opening ceremonies will begin in 24 hours even though some events start today. meanwhile, a new potential terror threat against the games has airliners on high al

substation in santa clara county may have been an act of domestic terrorism. surveillance video captured the gunfire in april of last year as someone shot 17 transformers at pg&e's metcalf facility in south san jose. at about the same time, some nearby at&t fiberoptic cables were severed. it's all concerning to jon wellinghoff a former chairman of ferc. >> this was an organized coordinated attack done in a way that was extremely well planned and executed. and that's been confirmed for me by people from the department of defense. this is the most significant attack on the electric grid that ever happened in the united states. >> back in november mark johnson expressed similar concerns. the fbi says it's still investigating but so far has no evidence that terrorists were involved. no one has ever claimed responsibility. >>> happening today in san jose, an arson suspect scheduled to enter a plea. police say 48-year-old patrick william brennan has admitted starting a series of fires last month. one of them did $5 million of damage to a warehouse. brennan has a history of arson convictions. >>> a man suspected of kicking a woman in the head and robbing her in san francisco i