31.   Cramer said the man then said he heard an explosion and saw white smoke coming from the plane.

32.   Down in the shelter, Calvin and Helen hear the explosion and mistake it for the end of the world.

33.   Edwin Lugo had been sleeping for hours when he said he heard an explosion.

34.   Eight explosions were heard from the southern outskirts of Pristina, the capital of Kosovo.

35.   Explosions also were heard at a military airport in the capital of the Yugoslav republic of Montenegro.

36.   Explosions were heard in Pristina, capital of Kosovo.

37.   Harry Cole, who lives near the accident site, said he heard the explosion.

38.   He never heard an explosion above the clamor of falling debris.

39.   He heard an explosion, but assumed it had come from the construction site across from the World Trade Center.

40.   He heard the explosion.