i wasn't a hero. >> our ivan watson talked with some of the people that he described as heroes. here's what ivan's look at what life is like for some of the protesters. >> reporter: morning for the men of the barricade in tahrir square. cold, battle-scarred, and filthy, they fought and bled to protect the symbol of egyptian defiance. it was raining? it was cold here last night. >> yes. yes, yes, yes, yes. and we will stand tired and we will continue forever until that system remuffed. >> reporter: abdul suffered head wounds during wednesday's furious battle between opposition demonstrators and president mubarak supporters. how did you feel fighting other egyptians? >> fighting other egyptians? >> reporter: yeah. >> they are not egyptians, they are criminals. >> reporter: he says he's fighting for his country's