1.  Barak has pledged to defend the existence of large blocs of settlements in the West Bank, but acknowledged that many isolated ones will have to be taken down.

2.  Agency officials said the incident was not an isolated one.

3.  But for the buyers of those shares, it was a painful lesson, and not an isolated one.

4.  But government officials said the problems identified were isolated ones.

5.  District officials say the problem is an isolated one, and they do not plan to fire the head of bilingual education or launch an investigation.

6.  For now, the police are treating the incident as an isolated one, an act of a disturbed individual.

7.  Gore said that it was not clear whether the action was an isolated one or part of a deliberate military escalation.

8.  It is commonly believed that proximity to a tree, particularly an isolated one, poses the greatest danger from lightning.

9.  Officials from the federal Centers for Disease Control and Prevention said the case seemed to have been an isolated one with natural causes.

10.  Since then, though, it has become clear that the episode was not an isolated one.