1.   And when nature has cooperated and lightning has ignited fires in the park, officials, contrary to their desires, have had to put them out.

2.   Lightning would occasionally ignite the grasses.

3.   Lightning ignited the fire Friday.

4.   More than a dozen smaller fires were ignited by lightning around the big fire but they either were out or posed no serious danger.

5.   The fire was ignited by lightning on Monday, but firefighters did not mount a full-blown assault until Wednesday.

6.   To the east, in Australia, however, the drought continues and lightning has ignited huge wildfires that are raging across the outback.

7.   While lightning has ignited large vacation homes on the south coast, rain has washed away whole groups of shacks in poor areas.

8.   Without wet trees and brush, lightning could ignite wildfires.

9.   Witnesses said oil escaped from the train and was ignited by lightning.