when they were linking hands and now standing in a single-file line and seemingly observing the anti-mu babarak protesters. others standing behind a tank, as well. there s chanting already going on. seems like something is sort of making that situation a little more uneasy and right now there really aren t that many people in that area at least compared to what we were seeing yesterday, manisha. i guess the worry is that pro-mubarak protester who is came on wednesday wielding clubs and knives may return. are you hearing anything like that? reporter: well, we re sort of hearing initial reports that could be the case. there s some reports on twitter, on wire agencies, as well, there could be pro-mubarak protesters