. >>> several people are displaced after a fire at an alamo triplex. it breck out at -- broke out at 1:00 on danville boulevard. investigators say it started in the kitchen and was spread. the fire was possibly sparked by a wall heater but the cause has not been determined. the firefighters were able to put the fire out in about 40 minutes. most of the residents were home when the fire started and got out safely. >> they came in spraying full blast 57 drenched the place and got it out. it was pretty bad. luckily, everyone got out and was safe. >> damage to the building and property is estimated at about $75,000. the red cross was called in to help the residents. >> we are now less than eight hours away from the scheduled westbound closure of the bay bridge. the at 8 clbltion tonight, traffic will no longer be allowed to cross from the east bay into san francisco and it will stay that way until approximately 5:00 tuesday morning. kod joining us live with preparations now underway. good afternoon, claudine. >> this becomes a very different place. you are

triplex and now several families are left homeless. ktvu's lorraine blanco is on danville boulevard in alamo describing some of the quick action the tenantslames. >> reporter: good morning, dave. this really is a good reminder to check those smoke detectors as often as possible. that's what firefighters say saved eight lives this morning. and i just got a look inside the apartment where the fire got started. a tenant just opened the door for us. you can see from the back corner over there, the burnt, charred mess on the ceiling where the heater apparently had some sort of issue. the fire is still under investigation. but that's where they believe it started early this morning. now, firefighters arrived at this converted alamo home just before 1:00 a.m. with three engines and two trucks. a simle mother -- single mother and her two children lived there. in all, all eight got out safely. one tenant admit esjust took the batteries out of his smoke detector but luckily, his neighbor did not. >> i didn't hear anything, and she woke me up banging on the window. i came out and the kids were returning around. she was screaming fire. i didn't know