1.   And the panelists asked why a whole array of warning signs were not heeded.

2.   Had such signs been heeded, some officials now argue, politicians might have overcome their aversion to the use of troops.

3.   Legal proceedings could go worse for the companies if a jury believes they were tardy in heeding warning signs.

4.   Leona and her fellow Duke haters should heed that sign, too.

5.   Other voices have been warning us to heed the signs.

6.   This year, however, several said they are more inclined to heed caution signs.

7.   Under the stress of competition or facing pressure from parents and coaches, they often fail to heed warning signs like pain or fatigue.

8.   That suggested that authorities had failed to heed warning signs of instability in the area.

9.   The report suggested that authorities had failed to heed warning signs of instability in the area.