1.   The fog horn started booming, a deep, thrilling vibration that Madame Astarti could feel resonate in her bones.

2.   Some witnesses said the horns started to sound as much as three minutes before the impact, and some shoppers moved safely away.

3.   Soon, car horns started honking.

4.   Almost as soon as the new computerized traffic signals went into use the horns started blaring, gridlocked drivers fumed and authorities grasped at straws.

5.   KUALA LUMPUR -- Almost as soon as the new computerized traffic signals went into use the horns started blaring, gridlocked drivers fumed and authorities grasped at straws.