1.   A huge crater marks the spot where the explosion happened.

2.   It was only noticed yesterday, although the explosion apparently happened on Saturday afternoon.

3.   An explosion had happened and killed people was as much as he could say.

4.   The expected and necessary explosion never happened.

5.   The explosion happened when the children were inside, probably seated around their morning snack, their playground swings and playhouse outside still empty.

6.   The punk and new wave explosion was happening in Manhattan, and clubs were booking all kinds of new talent.

7.   There were no reported casualties since the explosions happened late at night and the buildings were empty.

8.   When an explosion happens on the launching pad or soon after liftoff, it is a spectacular, costly and potentially life-threatening event.

9.   While large explosions sometimes happen in oil refineries and chemical factories, they are rare in auto assembly plants.

10.   Police spokesman Shmuel Ben-Ruby quoted eyewitnesses as saying two men had just parked a car in the parking lot where the explosion happened a few minutes before.