Egypt's ruling armed forces were on alert on Sunday as fears of violence mounted in the final hours before the state election committee is to name the winner of last weekend's presidential election at 3 p.m. (1300 GMT).
Mohamed Morsy of the long-oppressed Muslim Brotherhood has already claimed to be the successor to the ousted Hosni Mubarak. Millions of his Islamist loyalists may react with fury if the run-off goes to Ahmed Shafik, a former general and Mubarak ally.