Supporters of Egypt's former army chief Abdel Fattah al-Sisi hold a poster of him and wave flags in Tahrir square in Cairo May 27, 2014. Sisi is expected to emerge as Egypt's next president, with the military-backed government seeking to boost turnout by declaring a holiday and extending voting into a third day. REUTERS/Mohamed Abd El Ghany (EGYPT - Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY)