An Al Jazeera web producer reports from Tahrir Square in central Cairo where protesters have gathered, calling on Hosni Mubarak, the Egyptian president, to step down.<br /><br />The footage is shot on Monday night while the voiced report is from 8:30 local time, on Tuesday morning.<br /><br />Our reporter says protesters have been undeterred by authorities' attempts to completely block internet access and by rumours that the mobile phone network will also be shut down.
