outposts after suspecting insurgents in the area. they closed the supply routes into afghanistan and now they are making progress in trying to get it reopened. yet, another convoy carrying fuel to the area were backed up. the trucks were parked on the side of the road where two dozen gunmen and three dozen cars opened fire with machine guns and rockets and gas bombs and 17 tankers erupted in flames and one person was killed. it is the sixth attack in a week on convoys carrying supplies to u.s. and nato forces in afghanistan. a deadly environmental disaster is unfolding right now. toxic sludge, toxic sludge from a broken reservoir is covering more than 15 square miles after an inundated three towns and killed four people. it is happening in western hungry, and our senior western correspondent nic robertson is