CAIRO: Protestors in Cairo's Tahrir Square set up their own institutions to cope with a violent crackdown by Egyptian security forces this weekend. Other protestors set up a field hospital in Omar Makram Mosque, and another outside the massive Mogamma building that towers over the square. Students from Cairo University's School of Pharmacy came to volunteer. Protestors themselves shuttled injured demonstrators to the makeshift clinics on motorcycles. The injured were not in short supply: tear gas grenades completely shrouded Mohammed Mahmoud street in white smoke, suffocating those facing down Egypt's riot police, the Central Security Forces, with rocks, Molotovs, and pure will. Healthcare was but one facet of the organization featured by demonstrators. Protestors set up their own surveillance camera above Hardees to monitor the clashes. Protestors in Tahrir Square were able to set up these institutions within a short period, despite malfunctions in mobile phone networks. Calls could be received from the square but outgoing calls faced difficulties. Students from the College of Fine Arts came to participate in the million-man protest called for Tuesday by protestors. Demonstrators continued to pour into the square Tuesday evening in response to a violent crackdown that, according to activists, has killed at least 30 and injured over a thousand.