People walk on their way to Tahrir, or Liberation, Square in Cairo, Egypt, Tuesday, Feb. 1, 2011. Security officials say authorities have shut down all roads and public transportation to Cairo, where ... more 
People walk on their way to Tahrir, or Liberation, Square in Cairo, Egypt, Tuesday, Feb. 1, 2011. Security officials say authorities have shut down all roads and public transportation to Cairo, where tens of thousands of people are converging to demand the ouster of Egyptian President Hosni Mubarak after nearly 30 years in power. less 
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Associated Press | Photo By Lefteris Pitarakis
Tue, Feb 1, 2011 12:12 PM EST