Ninth day of flag protests in Northern Ireland
11 December 2012 Last updated at 23:00 GMT
There has been a ninth day of loyalist protests over the decision to limit the number of days the union flag in flown at Belfast City Hall.
Roads were blocked for a time in parts of Belfast.
Protests were also held in towns and cities such as Londonderry, Magherafelt, Portadown and Limavady.
Earlier, the leader of the Progressive Unionist Party called on paramilitary groups to expel members involved in flag protest violence.
On Monday night, a police car was petrol bombed in east Belfast while a female officer was inside.
Mark Simpson reports.