you have anonymous masks, you have afro wigs and egyptian flags. there's partying but there's a little bit of tension because no one's sure what the muslim brotherhood is going to do supporters of mohamed morsi. they have called for protests. are they going to be big? have they going to be violent? some are concerned because in some areas things are turned ugly. >> reporter: a brotherhood backlash. more than 100 injured as supporters and opponents of mohamed morsi and his muslim brotherhood movement clash in three districts, including the ousted president's hometown. thursday night's brawl, the first sign of retaliation by morsi supporters who still say he's egypt's legitimate leader. in cairo, morsi supporters remain peaceful but defiant. meanwhile, the former democratically elected president is in military custody and now