for moammar gadhafi has spread way down south into this cluster of outposts in the sahara desert. what you see right there, bombs. those are bombs going off at an airport seized by the rebel are s. libyan rebels are taking on hard-line gadhafi loyalists hundreds of miles south of tripoli. this fire fight, you see and hear it, ben wedeman found himself right in the middle of it it. ben is live for us now. as i said, hundreds of miles south of tripoli, way out in this desert, just after 9:00 p.m. local time. ben, before we get to that fire fight, just tell me where you are and tell us why the rebels are there so far into ethe desert. reporter: we re about 450 miles south of tripoli. we re on this air base that just two nights ago was taken over by the rebels. now, the reason why this is important is that we re about let me think in miles 16 miles to the north of sabah, the biggest city in southern libya, a city traditionally very loyal to moammar gadhafi. in fact, rebel c