1.   Even if it did work, the operation was likely to be brutal, and there were concerns the attack could touch off a new refugee crisis.

2.   The attack touched off days of violent clashes between Palestinians and Israeli soldiers, resulting in more deaths.

3.   The attack touched off a bloodbath between Hutu and Tutsi tribal groups in which hundreds of thousands of people were massacred.

4.   The attack touched off intensified fighting, which culminated in the deaths of seven Israeli soldiers and the Israeli raids on the Lebanese power plants.

5.   The wound was not serious, but the attack touched off a melee between Palestinians and settlers.

6.   The attack touched off gunbattles in which one guerrilla also was injured, the officials said.

7.   The attack touched off heavy shelling by Israeli artillery and tanks of suspected guerrilla infiltration routes through the hills and ravines.

8.   The attack touched off a public outcry that pushed authorities to begin organized crime crackdowns around the nation.

9.   The attack touched off angry protests and allegations of widespread abuse of minorities.

10.   The attack touched off gun battles in which one guerrilla also was injured, the officials said.