Police have said they are currently dealing with disorder in the Newtownards Road area of east Belfast this evening (MON).
A protest is also due to take place on Monday at 6pm at Shaftsbury Square.
Earlier on Monday evening a protest took place at Hesketh in north Belfast.
A protest is also due to take place in Maghera on Monday.
Protests have been taking place since the removal of the Union flag from Belfast City Hall on December.
Some of the protests have been followed by violence.
Unionist politicians have urged protesters to call of their demonstrations.