rebels control as much as 95% of the capital of tripoli. president obama says it's clear gaddafi's rule is coming to an end. nato says it will continue the air campaign until all pro pro-gaddafi surrender. we have jennifer griffin monitoring the developments from the pentagon. but we begin with correspondent steve harrigan live in zentan, south of tripoli. good evening. >> reporter: right now they say that muammar gaddafi is still inside the country of libya but not saying specific whereabouts. it's unclear where he is. the latest unconfirmed reports have him heading to algeria. we spent 11 12 hours with rebels on the way to the capital with the special help from nato, high-tech help, rebel fighters in the capital say they need at this point is gasoline. we're going with a 5,000 gallon gas tanker to help supply rebels in their fight.