A protester burns a picture of Egypt’s President Hosni Mubarak during clashes in Cairo

A protester burns a picture of Egypt’s President Hosni Mubarak during clashes in Cairo January 28, 2011. Police and demonstrators fought running battles on the streets of Cairo on Friday in a fourth day of unprecedented protests by tens of thousands of Egyptians demanding an end to Mubarak’s three-decade rule. REUTERS/Amr Abdallah Dalsh (EGYPT – Tags: POLITICS CIVIL UNREST)