Mass protests are continuing into the night, as part of a standoff between Egyptian protesters and the military government.<br /><br />Egypt's ruling generals have said they are prepared to hold a referendum on immediately transferring power to civilian authority if people demand it and have called for presidential election before July 2012.<br /><br />Tens of thousands of protesters in Tahrir Square rejected the military concessions.<br /><br />In Alexandria, protesters confronting police faced a heavy barrage of tear gas. The street clashes continued late into the evening.<br /><br />Al Jazeera's Gerald Tan reports.