Egyptians protesters confront the riot police outside the interior ministry in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptians protesters confront the riot police outside the interior ministry in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptians protesters confront the riot police outside the interior ministry in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptians protesters confront the riot police outside the interior ministry in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptians protesters demonstrate outside the interior ministry in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptians protesters demonstrate outside the interior ministry in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptians protesters demonstrate outside the interior ministry in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptian protesters help a man suffering from tear gas in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptian protesters try to remove the concrete blocks in a street leading to the interior ministry in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptian protesters evacuate a man suffering from tear gas in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptian protesters evacuate a man suffering from teargas in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptian protesters evacuate a woman suffering from teargas in Cairo on February 2, 2012 where Egyptian police fired tear gas at protesters to prevent them from reaching the interior ministry headquarters, amid mounting anger over the previous day's deadly riots after a football match. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

Egyptian protesters carry a man suffering from teargas fired by riot police to prevent them from reaching the interior ministry headquarters on February 2, 2012. Egypt began three days of mourning after 74 people were killed in an eruption of violence at a football match that sparked new anger against the military rulers for failing to ensure security. AFP PHOTO/KHALED DESOUKI Photo: KHALED DESOUKI, AFP/Getty Images / AFP

An Egyptian protester tries to grab a teargas canister fired by riot police during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

An Egyptian protester runs for cover from a teargas fired by riot police during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

Egyptian protesters run for cover from a teargas fired by riot police during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

An Egyptian protester grabs a teargas canister fired by riot police to throw it away during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

Egyptian protesters set a bonfire during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

An Egyptian protester covers his face protecting from teargas fired by riot police during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

An Egyptian protester wearing a gas mask to protect from teargas fired by riot police flashes a victory sign during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

An Egyptian protester walks amid teargas during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

Egyptian protesters evacuate a man suffering from teargas fired by riot police during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP

Egyptian protesters evacuate a man suffering from teargas fired by riot police during clashes near the interior ministry in downtown Cairo on February 2, 2012. Clashes erupted in the Egyptian capital between protesters and police, as the government scrambled to contain mounting anger over post-football match violence that killed 74 people. AFP PHOTO/MAHMUD HAMS Photo: MAHMUD HAMS, AFP/Getty Images / AFP