now ntsb investigators are turning their focus on the anatomy of this explosion. today they removed that 28-foot section of pipe that flew about 100 feet and landed in the street. investigators also cut off the two ended of the pipe to examine the immense force that ripped the metal apart. the crater is more than half the length of a financial -- football field. it holds a lot of answers like ground stability and pipe fatigue. investigators are interested in hearing from residents who can tell them when and where they smelled gas prior to the explosion, and they want to know about the area around the pipe. >> anybody who has reports of dead vegetation. one of the symptoms of a gas leak is that the vegetation dies. if we have reports of dead

vegetation, we would like to hear about that as well. >> alan: investigators also are looking into an inspection last march, as well as a sewer pipe repair in the immediate vicinity. the waterline rain side-by-side with line 132. investigators believe the public holds key information into understanding how the gasline exploded. you can send your information and your account and your amateur videos to the e-mail address below me. that's at san bruno at ntsb.gov. reporting live, alan wang. >> carolyn: we'll get that address on our web site. the first residents were cleared to return to their homes just after noon tonight. sky 7hd was overhead was pg&e

crews worked to restore power and gas. tomas accompanied one family when they returned. >> reporter: we're here in glenview in san brown know, two blocks from the blast year. those resident who were told by authorities they could go home to stay or get their belongings and leave, have already done. so while many feel fortunate to do back to their homes, they can't escape the fact of other homes where people were not so fortunate. >> used to be a house here. i used to look from there. have very nice deck. and now it's not there. >> reporter: it's gone. >> she and her husband and three daughter are finally home. the girls tried to coax the rabbit out of its cage but it's too terrified to come out. their hays was spared from the flames that consumed the three homes directly behind him. he says she has been frantic since her family escaped thursday night. >> my eyes, i left to hotel.

it's like something mentally. i can't stay in one place. i want to move around. now probably get one hour and a half of sleep during the whole night. >> reporter: the family is waiting for pg&e to turn on their gas and power. she northeasts to -- needs to do laundry and get some sleep. >> reporter: are you going to sleep tonight? >> i cannot wait until night so i can sleep, yes. >> reporter: residents were told to gather at skyline college tied at noon. their identification was checked and they were given instructions how that i would be allowed back into their neighborhood. this view from sky 7 shows the 100 residents being let back into their homes in stages. the only people allowed to stay are those with green flags. residents are being escorted by pg&e crews who are turning on power and gas, lighting pilot leads and heaters and stoves.

>> my oldest is six, and my middle one is four, and then we have an 18-month-old. >> reporter: he is trying to make sure everything is ready for his family to leave their hotel room and join him. he is concerned his youngest girls have been badly traumatized by the experience of running out of their house while sirens blaired and flames lit up the sky. >> my biggest concern is my six-year-old. she hasn't been sleeping good the last couple of nights. and the -- just small noises. >> reporter: he wants to keep the girls away from the devastation just down the street. he says they're two young to be exposed to these scenes where their playground used to be. those people whose homes were yellow-tagged were only able to get their belongings and do back -- go back to hotels or motels. those peoples whose homes are red-tagged have a meeting tomorrow at the center -- senior

center. authorities will tell them what to expect. >> carolyn: we're now learning that pg&e had a nearby section of pipeline scheduled for replacement. that 30-inch diameter pipe is two-1/2 miles north of the san brown know section you see here. the company planned to replace it. the pipeline was mauled -- installed in 1948 and was scheduled to be swapped for a 24-inch pipe. pg&e classified the area that ruptured as a high consequence area, requiring more stringent inspections. reports continue to surface from people who say they smelled the odor of natural gas in the area. pg&e says they have no record of anyone calling, so far.

>> reporter: as you said, we have been hearing about these allegations about the smell of gas. pg&e says it has gone through its record from september 1st september 1st to september 9th and have found no reports nip called in to complain about this smell of gas. however, today we spoke to a resident, who lives here on this street, who says not only did neighbors smell gas, he also saw a pg&e worker out here inspecting for leaks two days before the explosion. >> this is what is left of pg&e's pipeline, soon to be shipped to washington, dc for forensic testing. a 28-foot section was launched from 100 feet underground to the street. >> i tried to run downstairs to open the front door, tried to get out, and i seen this big flame, like a movie. >> reporter: he was on his morning walk when he noticed a pg&e worker on glenview die the

tuesday before the explosion. that day, me and other neighbors spoke about smelling gas in the area. >> that morning we did. the neighbors, everybody, they say they were calling. >> reporter: pg&e says so far there's no record that anyone called. a company spokesman could not say, though, whether crews were in the area investigating a leak before the explosion. >> we'll research that. >> reporter: he says the worker appeared to be using the same equipment the spokesman said crews use to detect gas leaks. >> i saw a guy from pg&e, when i got up from my house that morning. he was checking something on the floor with something that beeped. >> a hand-held device, like a wand, and sweep that dice -- device around the perimeter of a building to look for indications of gas. >> reporter: neighbors fearing they may never see each other again and made it back in the homes, jose alvarado had no home

to return to. it was red-tagged. the mayor says he heard the rumors about smelling gas, but they remain rumors. >> i heard the same rumors, for me at this point in time they're just rumors. i haven't got any confirmation from pg&e there's any issues there. >> reporter: now, the residents we spoke to today said that pg&e was out here working on that line a few months back. as for the pg&e spokesman, he said he would get back to me to tell me whether crews were actually out here inspecting for gas leaks two days before the explosion. he never called back. abc-7 news. >> carolyn: we have assembled an extensive catalogue of information on the fire. you'll fine it on our web site. the ureport videos and our videos and ways to help the victims. on our home page, abc7.com. >> still to come, a major mess on highway 101 today.

the deadly accident that snarled traffic for 15 hours along the peninsula. also, new hope for the mother of the woman being held in iran. what the iranians are now requesting. after a warm start to the weekend, temperatures dip below average again due to per

>> closed captioning brought to

>> closed captioning brought to >> carolyn: all lanes of highway 101 have just re-opened 15 hours after a head-on crash. drivers heading both north and southbound have been himmed to a singsel lane today. the collision happened when a wrong-way driver smashed into a car. a good samaritan stopped to help and both were struck and killed by traffic. >> the biggest thing here is a safety message. you never want to be outsideoff vehicle on the highway. if you find yourself in a situation where your car breaks down or you're involved in a crash, remain inside your vehicle. >> carolyn: as you can see, the backup stretched for miles all day sunday as investigators kept most lanes shut down throughout the day. robber shot and killed a man in berkeley overnight as he and his fiancee war walking -- were

walking home from party on the south side. a robber shot the 35-year-old victim. the other punched his fiancee in the face. >> these are community members that were walking home from the party, in the early morning stroll, some blocks from their house, and it turned into a just horrific tragedy. >> carolyn: the robbers took off in a mid-size two-tone suv and drove west on ashby of -- avenue. >> one of the three uc berkeley graduates held in iran could be released from prison. the ju dish area set bail sarah shore at half a million that is expected to be posted by swiss diplomats bus the u.s. government has no ties with iran. shore is being released for health reasons. she discovered a lump in her breast. her fiancee, shane, and their

friend,. >> will remain in the iranian prison. just a week and a half after hp won a bidding war for a fremont company, it now appears it's ready to spell another billion and a half on a cupertino company. and will we see any warm weather in this final week of summer? we have the forecast just ahead. >> mike: the raiders will be remembering the titans and the 49ers looked off against the seahawks. only the first game, but we'll only the first game, but we'll break it

as governor, he cut waste got rid of the mansion and the limo budgets were balanced. $4 billion in tax cuts. world class schools and universities. clean energy promoted. 1.9 million new jobs created. california was working. i'm jerry brown. california needs major changes. we have to live within our means; we have to return power and decision making to the local level-closer to the people and no new taxes without voter approval. jerry brown the knowledge and know-how to get california working again.

>> carolyn: excitemaker hewlett-packard may be closer to another major acquisition. it's nearing a deal to by arc side for $1.5 billion. it comes a week and a half after hb successfully outbid dell for 3 par for 2 billion. , a site makes security software. we enjoyed a lovely weekend but there's a change on the way. >> lisa: the 21st is fall so we have a pretty good looking week ahead. boy, did we drop today, as much as 10 to 15 degrees in some spots. a live look outside. looks pretty nice out there. plenty of sun, but those onshore breezes kept it cool throughout

the afternoon. and just some 50s along the coast. santa cruz, 58 degrees, and elsewhere, we saw 59 half moon bay. 68 in oakland today, with some more 80s from concord to livermore. it was pretty seasonal in the east bay valleys, but big changes on the order today. we're going to look at pretty similar numbers throughout the rest of the early part of the work week. 59 in the city. winds out of the west-northwest at 21-miles-an-hour. 70 in san jose. the 4-hour temperature change sig yeand. 12 degrees cooler in concord. so no matter where you were, you felt the cooldown. the fog spreading inland overnight, and the steady onshore winds will stay with us all week so temperatures will be a bit below average, and take a look, the possibility of rain maybe for our friends in the north bay by the middle of next

week. 5 -- 52 in vallejo overnight. the fog, fremont, possibly concord. we have an area of low pressure here, and that's going to allow for the winds to carry the marine layer inland. so the steady onshore wind keeping the marine layer from 1500 to 2,000 feet deep. so that's going to keep our temperatures in check. they're not going to get too warm. in fact, we'll see numbers in the low to mid-80s east of the caldecott tunnel. so, temperatures today, similar to tomorrow. look for just low to mid-60s for millbrae, with the fog hugging the coast. half moon bay, just 59. san francisco, even cooler tomorrow. today, managed 67. 62 tomorrow. 74 in santa rosa. a nice afternoon, great start

here in berkeley and san pleasa, 77. look ahead, very little change with low clouds and fog retreating to the coast by the late afternoon. 80s inland. 70s around the bay, and by the weekend, increasing clouds. and fall starts shortly after that. and we haven't had much summer. >> carolyn: i'm still holding out for the warm weather to hit. mike shumann had big predictions for the 49ers, all the way to playoff. >> mike: i knew you were going to say. let's not overreact. it is a long season. but the niners are not a playoff team today. it was ugly. they were on the same page coming out of the tunnel but cooperate get in synch on the field.

smith, are you kidding me? overthrows norris. you have to score in these situations on the road. inside the seattle 10 three times in the fir half. six points. later in the second, after an alex smith interception, the seahawks capitalize. hasselbeck to branch. easy money. third quarter, niners trying to action smith throws way behind michael crabtree. a nightmare day for smith. 26-45, 225 yards and two picks. 21-6, seattle. and they add to that. pete carroll wins in his seattle debut as head coach. 31-6 the final in seattle. raiders open their season in tennessee,. first quarter, 3-0 raiders. vince young changes that. completed 13-17 passes. this one, 56 yards to nate washington. 7-3 titans. eekland's offensive line, awful.

jason campbell sacked four times in the first half. the raider defense, held chris johnson to three yard on five carries but you knew he would bust' out. here it is. second quarter, 24-6 titans in the first half. rough debut for campbell. this int. the raiders fall 38-13. let's economic on some local connections. the lions visiting the bears, and best with a nice debut in detroit. rushed for two touchdowns. then watch calvin johnson get this pass from sean hill. ruled incomplete. both feet are down, has possession. that's a touchdown. but they ruled it incomplete. the bears win it 19-14.

good news-bad news for the giants. leadoff hitter torres had emergency appendectomy this morning and will miss ten days. the good news? they beat the padres. a fashion statement in san diego by a giant fan. here's a nice little swing from buster posey, driving one deep to right. number 13 for foesy. -- for posey. now to the fifth, 3-0. tim lincecum helping his own cause. makes it 5-0. and lincecum is back to his old self-on the nine. giants are once again tied for first place with the part with the victory. baby girl's first ball game. how cute. the a's looking to sweep the red sox. adding on, mark ellis splits the gap in right center. then suzuki. oakland takes the lead. that lead would evaporate in the sixth. kalesh, pinch-hit single.

jd drew just under the tag. the a's are now 8-1/2 back of the rangers. final round play at the bmw championship. dustin johnson sticks his approach on 17, leads to a birdie. takes the lead at 9-under. then on 18. taps in for the win. fourth pga tour title. top 30 advances. and tiger woods did not make the cut. fiba world championship. seth curry getting into the flow. the three-balling, his only points. kevin durant, monster tournament. americans win, first championship since 1994. and the men's u.s. open, today cancelled due to rain. >> carolyn: we'll recap today's developments in the explosion and fire in san bruno. that's just

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>> carolyn: an update from san bruno where more than 100 people are back in their homes three days after the massive explosion that killed at least four people. in the california public utilities commission is ordering pg&e to check for leaks on all of its natural gaslines, and

they're asked to explain to provide is response and provide details of its spending on safety. the ntsb is asking the public for information about any calls they made about the smell of gas prior to the explosion, and they're asking neighbors if they noticed any dying trees in the area and to report back. i'm carolyn johnson. thanks for