81.   The agencies decided that the witnesses saw the lights well before they heard the explosion because the speed of light is much greater than the speed of sound.

82.   The explosion was heard two blocks from the hotel.

83.   The Macedonian police blocked the road leading to the mountainous village, but explosions were heard and thick columns of smoke were seen from a distance.

84.   The official said there was no reported mechanical problem with the aircraft but an explosion was heard.

85.   The next day, Lindh heard an explosion in the fortress.

86.   The U.S. Embassy, situated several miles from the blast, was not affected, although officials there reported hearing the explosion.

87.   Then he heard an explosion of gunfire and watched as his fellow officers were hit in the parking lot across from the North Hollywood Bank of America.

88.   Then he heard an explosion.

89.   Then he heard three explosions.

90.   They heard an explosion behind them.