This footage shows the violence of police forces against demonstrators on the Qasr el-Nil bridge leading into Tahrir Square in Cairo, Egypt on Friday, January 28, 2011, Egypt's 'Day of Rage'.
Notable time markers:
00:33 - videos from Jan. 28 begin
01:34 - police trucks drives through demonstrators
03:41 - police use water hoses against praying demonstrators
04:45 - police fire tear gas in man's face