There is a significant police operation to maintain control over a protest march in Belfast over the flying of the Union flag at Belfast City Hall.
Demonstrators are still in east Belfast and are not being allowed near the scene of last week's violence.
Twenty-nine police officers were injured during sectarian riots between republicans and loyalists in east Belfast today.
The union flag will be raised at dawn over Belfast City Hall for the first time since the dispute began last month.
Police were attacked for a third night, with frontline officers reportedly coming under gunfire as new loyalist trouble erupted in Belfast.