The cost of policing the Belfast protests over the union flag could have reached over £7 million, according to the BBC.
On December 3rd, politicians voted that the flag be flown on a few designated days each year.
More than 100 people have been arrested in relation to the dispute.
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.