The attack started around Tharir Square on the afternoon of 2, February 2011 (AP)

Pro-government demonstrators attacked, some riding camels and horses and armed with sticks (AP)

(AP)

Pro-government supporters of Mubarak attacked Tahrir from Abdel Moneim Riad Square (Reuters)

21 Tahrir protesters were killed and hundreds injured in the 36 hour battle (Reuters)

The pro-Mubarak thugs drove camels from the pyramid area to Tahrir (AP)

Pro-Mubarak thugs used the 6 of october bridge to attack Tahrir (AP)