while the tug of war continues between rebel forces and the troops who remain loyal to colnel gadhafi. opposition forces are calling for more alied assaults to crush gadhafi's troops. >> we are with libya's rebels a mile away from colnel gadhafi's forces. the rebel fight has broken out. now they are struggling. the new frontlines here, the rebels have been making some progress, but it is very slow and utterly dependant on nato and their support. the air support, the rebels say, is not coming fast enough. while gadhafi's forces are continuing to attack this position. >> rocket launcher. is nato doing enough? nato does not seem to strike very often here. that rocket launcher has been pounding us since early this morning. we can't understand why they do not take it out. in the past few days the fighting here has been severe. and for the rebels, costly. they are still besieged. they just lost 40 men. above us a rare glimpse of nato jets bombing colnel gadhafi's positions here but failing to silence this gun. but a poorly trained rebels and plenty of civilians, here is the result. >> we se