1.   Government forces have been attacked by heavily armed paramilitary groups in several villages.

2.   Anyone who attacks the force will be hit hard, Clinton said.

3.   Even with the element of surprise, attacking forces can be overcome by larger numbers of lightly armed opponents.

4.   For the third consecutive day, U.S. warplanes attacked Taliban forces north of Kabul, the capital, Tuesday afternoon.

5.   Government officials have resisted every attempt at investigation, insisting that students had provoked the bloodshed by attacking security forces.

6.   In more than five months of fighting, there have been numerous claims by Afghans that American forces had accidentally attacked friendly forces at times.

7.   In more than five months of fighting, there have been numerous claims by Afghans that U.S. forces had accidentally attacked friendly forces at times.

8.   It fought off the Serbian military in a battle in northern Kosovo in December and in recent fighting has managed to inflict some damage and casualties on attacking forces.

9.   NATO has many aircraft ready to attack Serbian forces for their frequent violations of declared safe areas.

10.   Soldiers in the units have said that if they attack Taliban forces they will run out of ammunition and fuel after a few days.