1.   But they never did recover from that initial blast from the Pacers.

2.   But with all that effort, the wreckage still disclosed no hint of whatever fatal flaw sparked the initial blast.

3.   Experts agree it was the steady fire that eventually brought down the twin towers, not the initial fiery blast.

4.   Explosions will rip the plane apart, even if the initial blast makes only a tiny hole in the fuselage.

5.   Inside, the Russians crawled through a door into a rear compartment where those who survived the initial blast had gathered near an escape hatch.

6.   Presumably, the second bomb was planted to injure investigators and journalists responding to the initial blast.

7.   That is in the center of the area pinpointed by the computer as the site of the initial blast.

8.   The area had been fenced off to the public since the initial blast occurred.

9.   The initial blast triggered booby-trap bombs in surrounding buildings.

10.   The letter reveals that survivors fled toward the rear compartments of the sub after the initial blast, and briefly describes their desperate plans to escape.