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Tens of thousands marching from Mostafa Mahmoud mosque to Tahrir Square, on Friday - the second anniversary of Egyptian revolution - in objection to the political decisions of Egypt's post-revolution president Mohamed Morsi. The majority demanded the downfall of Morsi.
Jonathan Rashad/Al Jazeera
Essam Mohamed - a 37-year old protester who lost an eye in clashes with police last year - protests the politics of Egypt's post-revolution president Mohamed Morsi, as well the killing of protesters in previous clashes, on the second anniversary of Egyptian revolution.
Jonathan Rashad/Al Jazeera
The majority of people in Tahrir Square on Friday demanded that President Morsi step down.
Jonathan Rashad/Al Jazeera
The crowd of thousands alleged that President Morsi had "betrayed" the revolution, and the should follow President Hosni Mubarak before him in stepping down.
Jonathan Rashad/Al Jazeera
Ultras Ahlawy - football fans who have been involved in previous violent incidents - clashed on Friday with security forces guarding the interior ministry - on the second anniversary of the Egyptian revolution.
Jonathan Rashad/Al Jazeera
Protesters carrying away an injured demonstrator, during clashes with Central Security Forces on Kasr Ainy street, off Tahrir Square.
Jonathan Rashad/Al Jazeera
Protesters marching to Tahrir Square, on Friday - the second anniversary of Egyptian revolution - in objection to the political decisions of Egypt's post-revolution president Mohamed Morsi.
Jonathan Rashad/Al Jazeera
Protesters carrying away an injured protester, during clashes with Central Security Forces on Kasr Ainy street, off Tahrir Square. Police sources told Al Jazeera that more than 450 people were injured in clashes across the country on Friday.
Jonathan Rashad/Al Jazeera
Many of the protesters carried signs with a simple instruction to President Morsi: "Leave".
Jonathan Rashad/Al Jazeera
A protester leads chants amidst clashes with police, on the second anniversary of Egyptian revolution.
Jonathan Rashad/Al Jazeera
Ultras Ahlawy clashing with security forces guarding the interior ministry in Cairo, on the second anniversary of the Egyptian revolution. The young men said the attacks were in revenge for the killing of their colleagues in Port Said stadium last year.
Jonathan Rashad/Al Jazeera
A protester holds a tear-gas canister that was fired by security forces in Cairo.
Jonathan Rashad/Al Jazeera
Central Security Forces wearing newly-issued riot gear in Cairo, the Egyptian capital, on Friday.
Jonathan Rashad/Al Jazeera
Aerial view of Tahrir Square at 11:00am on Friday, before most marchers had arrived.
Jonathan Rashad/Al Jazeera
Aerial view of Tahrir Square at 8:35pm, showing tens of thousands filling the iconic protest venue in the Egyptian capital.
Jonathan Rashad/Al Jazeera
A protester holding a necklace he made of tear-gas canisters that were fired by security forces.
Jonathan Rashad/Al Jazeera
Ultras Ahlawy clashing with security forces guarding the interior ministry.
Jonathan Rashad/Al Jazeera
A protester running to throw a tear-gas canister back at Central Security Forces, during clashes on Kasr Ainy street, off Tahrir Square.
Jonathan Rashad/Al Jazeera
Ultras Ahlawy clashing with security forces guarding the interior ministry.
Jonathan Rashad/Al Jazeera
Many protesters came with their entire families, both to mark the anniversary of the uprising and to demand reforms from their government.
Jonathan Rashad/Al Jazeera
Tens of thousands of demonstrators were present at the protest in Cairo.
Jonathan Rashad/Al Jazeera
Ultras Ahlawy clashing with security forces guarding the interior ministry in Cairo.
Jonathan Rashad/Al Jazeera
Protesters gathering ammunition, in the form of stones, to pelt security forces with.
Jonathan Rashad/Al Jazeera
The clashes in Cairo were mainly in the streets surrounding the interior ministry.
Jonathan Rashad/Al Jazeera
Protesters demanded that the Muslim Brotherhood's Mohamed Morsi step down as president.
Jonathan Rashad/Al Jazeera
Violent clashes continued for several hours in Cairo.
Jonathan Rashad/Al Jazeera
Protesters mainly threw stones at security forces, who fought back with tear gas.
Jonathan Rashad/Al Jazeera
Those involved in the clashes were primarily young men.
Jonathan Rashad/Al Jazeera
Tahrir Square largely remained peaceful, though violent clashes did occur in streets adjacent to it.