Egypt protests continue as Mubarak digs in heels

VIDEO:  Demonstrators once again defied a curfew to spend another night in Cairo's central Tahrir Square -- the epicentre of eight straight days of protests in Egypt. Embattled President Hosni Mubarak was digging in his heels on Wednesday after defying a week of massive protests calling for him to step down immediately and saying instead he would not run for re-election in September. Duration: 00:54