1.   Did they unwittingly do the worst possible thing in response, thus altering a fragile balance for ever?

2.   Did they unwittingly do the worst possible thing in response, thus altering a fragile balance forever?

3.   In a fragile political balance, the prime minister is a Tutsi and the president a Hutu, the majority ethnic group in the country.

4.   It could be flooded with refugees, and its fragile multi-ethnic balance could be upset.

5.   It was a more fragile balance then.

6.   So his allies began to worry that Iran might block development of some of those resources and upset the fragile balance in the region.

7.   That fragile balance between our three coequal branches of government is being subjected to unprecedented strains as a result of events that have occurred over the past several years.

8.   The abuse of holy places by military and mobs is hardly new, always sad and a grim reminder of the fragile balance between civilized behavior and barbarism.

9.   The bully nation to the south has upset the fragile balance of franchise power.

10.   The fragile psychic balance of urban life has been dealt another brutal knock.