Detailed text transcripts for TV channel - KGO - 20140313:10:05:00
Take a look at these pictures right now from wabc. it shows how the two buildings looked before the blast and after the blast. that's just dramatic. >> it really is, chilling. >> no doubt about it. >> and these were two five-story buildings side by side. investigators are now focusing on an 8-inch gas main made out of cast iron fed into both of those buildings. they think possibly because of the extreme cold and that it since thawed it could have weakened the pipe and caused it to blow up. >> wow. >> they are still looking into an exact cause. no one knows for sure. >> rescue potential, those ...