21.   They were clearing up when the second bomb exploded.

22.   Guests panicked and screamed when the bomb exploded.

23.   The bomb must explode within less than a millionth of a second.

24.   Small bombs exploded in Manila almost daily, the bulk of which were believed to have been planted by military dissidents.

25.   Two days later a bomb exploded in an SLA controlled village, killing the mayor.

26.   A bomb has exploded on a train in London, there were no injuries.

27.   A massive bomb has exploded in Belfast causing extensive injury.

28.   Nine or ten motar bombs exploded in the street outside killing a number of children and injuring others.

29.   Security forces had been clearing the area when the bomb exploded.

30.   Police were still clearing the area when the bomb exploded five minutes after a telephone warning.