Ever-Larger Protests Flood Cairo Streets

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In a test of wills that seemed to be approaching a crucial juncture, hundreds of thousands of people crammed into Cairo's vast Tahrir Square on Tuesday, seeking to muster a million protesters demanding the ouster of President Hosni Mubarak.

Scott Nelson for The New York Times

Ever-Larger Protests Flood Cairo Streets

Hundreds of thousands of people in Tahrir Square on Tuesday demanded the ouster of President Hosni Mubarak, despite government efforts to block access to Cairo.