A general view of Tahrir square in Cairo
A general view of Tahrir square in Cairo June 15, 2012. Activists called for a protest on Friday and Islamists warned that the gains of the revolt that toppled Hosni Mubarak could be wiped out after Egypt's supreme court dissolved parliament and ruled to keep his last premier in this weekend's presidential race. REUTERS/Mohamed Abd El Ghany (EGYPT - Tags: POLITICS CIVIL UNREST ELECTIONS)