may no longer be in control, but many fear they could come back. >> arwa damon joins us now from neighboring beirut. a powerful piece, arwa. how likely is it that the rebels will be able to keep the fundamentalists out of the city and troops. now within a war. >> it's going to be incredibly difficult because they are spread out fairly thin, especially given that they are now fighting on multiple front lines. what we're seeing is trying to consolidate its forces and its fighters in certain area wheres they do have strongholds. but people we were speaking to off camera expressing that very same concern that they could, in fact, return, especially give on the sheer brutality they're using to control the population. very understandable concerns that so many people have.