Getty Images/Mahmud Hams
Protesters clash with riot police along a road which leads to the Interior Ministry, near Tahrir Square, in Cairo, Wednesday, Nov. 23, 2011. Several thousand Egyptians rallied in Tahrir Square demanding an end to military rule, despite a promise by the country's interim leader to transfer power to an elected president by mid-2012.
Getty Images/Mahmud Hams
Egyptian protesters run during clashes with riot police along a road which leads to the Interior Ministry, near Tahrir Square, in Cairo on Wednesday, Nov. 23, 2011.
Getty Images/Mahmud Hams
Egyptian riot police stand behind their shields as they clash with protesters along a road which leads to the Interior Ministry, near Tahrir Square, in Cairo, Wednesday, Nov. 23, 2011.
AP Photo/Tara Todras-Whitehill
Protesters demonstrate during clashes with Egyptian riot police, not pictured, near Tahrir Square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
Egyptians carry the body of a protester, killed in recent clashes with the Egyptian riot police, during his funeral at Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Tara Todras-Whitehill
A veiled woman takes pictures with her cell phone during clashes with Egyptian riot police, not pictured, near Tahrir Square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Tara Todras-Whitehill
A protester overwhelmed by tear gas, center, is aided by two men on a motorcycle during clashes with Egyptian riot police, not pictured, near Tahrir Square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Tara Todras-Whitehill
A protester wearing swimming goggles crouches as tear gas is fired by Egyptian riot police, not pictured, during clashes near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
Getty Images/Khaled Desoulki
Egyptian protesters call on fellow demonstrators to stop throwing stones as tens of thousands of Egyptians pack Cairo's landmark Tahrir Square on the fourth day of clashes with security forces on Tuesday, Nov. 22, 2011, to demand an end to military rule, heightening tension after days of deadly clashes that threaten to derail next week's legislative polls.
AP Photo/Khalil Hamra
Egyptian riot police stand guard during clashes near Tahrir Square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
Getty Images/Khaled Desoulki
An Egyptian soldier tries to keep thousands of protesters away from riot policemen during a demonstration in Cairo's landmark Tahrir Square on the fourth day of clashes with security forces on Tuesday, Nov. 22, 2011.
AP Photo/Tara Todras-Whitehill
A protester overwhelmed by tear gas is aided by other men during clashes with Egyptian riot police, not pictured, near Tahrir Square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
An Egyptian boy holds a mask and a bottle of water as he runs for cover from tear gas during clashes between protesters and Egyptian riot police near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
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Thousands of Egyptian protesters demonstrate outside the northern military command headquarters in the Mediterranean port of Alexandria on Tuesday, Nov. 22, 2011, demanding an end to military rule, heightening tension after days of deadly clashes that threaten to derail next week's legislative polls.
AP Photo/Khalil Hamra
An Egyptian riot police officer fires tear gas during clashes with protesters near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
Protesters run for cover during clashes with the Egyptian riot police near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
Getty Images/Khaled Desouki
Egyptian protester throw stones on the third day of clashes with security forces at Tahrir Square in Cairo on Tuesday, Nov. 21, 2011.
AP Photo/Khalil Hamra
Protesters carry a wounded man during clashes with the Egyptian riot police near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
Getty Images/Khaled Desouki
An injured Egyptian protester is helped away during clashes with security forces on the third day at Tahrir Square in Cairo on Tuesday, Nov. 21, 2011.
Getty Images/Khaled Desouki
An Egyptian protester forwards a tear gas canister on the third day of clashes with security forces at Tahrir Square in Cairo on Tuesday, Nov. 21, 2011.
Getty Images/Khaled Desouki
Egyptian protesters clash with security forces on the third day at Tahrir Square in Cairo on Tuesday, Nov. 21, 2011.
AP Photo/Khalil Hamra
Egyptians carry a body of a protester was killed in clashes with the Egyptian riot police during his funeral at Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
A Protester throws a tear gas canister away during clashes with the Egyptian riot police near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
A protester throws stones during clashes with the Egyptian riot police near Tahrir Square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
Protesters chant slogans during clashes with Egyptian riot police near Tahrir Square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
A Protester runs to throw a tear gas canister away during clashes with the Egyptian riot police near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
Protesters throw stones during clashes with the Egyptian riot police near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22, 2011.
AP Photo/Khalil Hamra
Protesters gather in Tahrir Square in Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo
Egyptian protesters and riot police face off in Alexandria, Egypt, Monday, Nov. 21, 2011. Protesters marched in cities across the nation, including thousands of students in the coastal city of Alexandria, calling for those responsible for the violence in Cairo to be punished.
AP Photo/Amr Nabil
Egyptian protesters wave their national flags as they chant slogans against the ruling military council at Tahrir Square, the focal point of Egyptian uprising in Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo/Tara Todras-Whitehill
Protesters run for cover from tear gas fired by Egyptian riot police, not seen, during clashes near Tahrir Square in Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo/Tara Todras-Whitehill
Protesters move away from tear gas fired by Egyptian riot police, not seen, during clashes near Tahrir Square in Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo
A wounded Egyptian protester reacts as a medic treats him in Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo/Mohammed Abu Zaid
Egyptian protesters gather around Tahrir square during the clashes with the Egyptian riot police, unseen, in Tahrir square, Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo
Two Egyptian protesters throw rocks toward Egyptian riot police in Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo/Amr Nabil
Egyptian protesters surround a fire set in a building near Tahrir Square in Cairo, Egypt, Monday, Nov. 21, 2011. Local people at the scene blame the fire on police firing tear gas in the area. Egyptian riot police clashed Monday with some thousands of protesters demanding that the ruling military quickly announce a date to hand over power to an elected government.
AP Photo/Mohammed Abu Zaid
An Egyptian protester covers his face from tear gas during the clashes with Egyptian riot police, unseen, in Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo/Mohammed Abu Zaid
Egyptian protesters gather around Tahrir Square during the clashes with the Egyptian riot police, unseen, in Tahrir square, Cairo, Egypt, Monday, Nov. 21, 2011.
AP Photo/Tara Todras-Whitehill
A protester overcome with tear gas sits on the curb during clashes with the Egyptian riot police near the Interior Ministry in downtown Cairo, Sunday, Nov. 20, 2011.
AP Photo/Mohammed Abu Zaid
Egyptian medics help a wounded protester during the clashes with the Egyptian riot police, unseen, in Tahrir square, Cairo, Egypt, Monday, Nov. 21, 2011.
Getty Images/Khaled Desouki
Egyptian protesters run for cover during clashes with riot police at Cairo's Tahrir Square on Monday, Nov. 21, 2011.
AP Photo/Mohammed Abu Zaid
Two Egyptian protesters accompany a man, center, overcome with tear gas during the clashes with Egyptian riot police, unseen, in Tahrir square, Cairo, Egypt, Monday, Nov. 21, 2011.
Getty Images/Khaled Desouki
An Egyptian protester cover his face from tear gas during clashes with riot police at Cairo's landmark Tahrir Square on Monday, Nov. 21, 2011.
AP Photo/Mohammed Abu Zaid
An Egyptian protester holds canisters during the clashes with the Egyptian riot police, unseen, in Tahrir square, Cairo, Egypt, Monday, Nov. 21, 2011.
Getty Images/Khaled Desouki
An Egyptian protester shows the V-sign for victory during clashes with riot police at Cairo's landmark Tahrir Square on Monday, Nov. 21, 2011.
AP Photo/Mohammed Abu Zaid
An Egyptian Protester walks past men who spent the night in Tahrir Square in Cairo, Egypt, Monday, Nov. 21, 2011.
Getty Images/Mahmud Khaled
Egyptian protesters douse fire at Cairo's Tahrir Square during clashes with security forces on Monday, Nov. 21, 2011.
Getty Images/Mohammed Hossam
An Egyptian riot policeman takes position during clashes with protesters at Cairo's Tahrir Square on Nov. 20, 2011.
Getty Images/Mohammed Hossam
A general view shows Cairo's landmark Tahrir Square as Egyptian riot policeman try to disperse protesters on Nov. 20, 2011.
AP Photo/Tara Todras-Whitehill
A protester throws a gas canister towards Egyptian riot police, not seen, near the Interior Ministry during clashes in downtown Cairo, Egypt, Sunday, Nov. 20, 2011. Firing tear gas and rubber bullets, Egyptian riot police on Sunday clashed for a second day with thousands of rock-throwing protesters demanding that the ruling military quickly announce a date to hand over power to an elected government.
AP Photo/Khalil Hamra
Egyptian riot police throw stones during clashes with protesters near the interior ministry in downtown Cairo, Egypt, Sunday, Nov. 20, 2011.
AP Photo/Khalil Hamra
A protester throws a tear gas grenade back at Egyptian riot police near the interior ministry in downtown Cairo, Egypt, Sunday, Nov. 20, 2011.
AP Photo/Khalil Hamra
Protesters run from tear gas during clashes with Egyptian riot police near the interior ministry in downtown Cairo, Egypt, Sunday, Nov. 20, 2011.
AP Photo/Khalil Hamra
Egyptian riot police stand guard during clashes with protesters near the interior ministry in downtown Cairo, Egypt, Sunday, Nov. 20, 2011.
AP Photo/Khalil Hamra
Protesters take a cover during clashes with Egyptian riot police near the interior ministry in downtown Cairo, Egypt, Sunday, Nov. 20, 2011.
AP Photo/Khalil Hamra
A protester throws stones at Egyptian riot police during clashes near the interior ministry in downtown Cairo, Egypt, Sunday, Nov. 20, 2011.
AP Photo/Khalil Hamra
Protesters throw stones at Egyptian riot police during clashes near the interior ministry in downtown Cairo, Egypt, Sunday, Nov. 20, 2011.
AP Photo/Tara Todras-Whitehill
A protester overcome with tear gas inhalation is helped inside a cafe during clashes with the Egyptian riot police, not seen, near the interior ministry in downtown Cairo, Egypt, Sunday, Nov. 20, 2011.