Detailed text transcripts for TV channel - KGO - 20130226:10:48:00
Abc's mort dean. >> reporter: the underground explosion was so powerful, it rocked even the top floors of one of the twin towers. >> it was a huge explosion that rocked the building. >> reporter: down darkened stairwells choked with soot and smoke, thousands groped their way to safety. it was a frightening and exhausting experience. >> as we went down, the smoke got thicker and thicker in the stairways. >> reporter: those that feared they would not make it down, instead escaped to the top, 110 stories above lower manhattan. some of them were evacuated by helicopter. many were trapped in elevat...
Source: news source