Traders are worried that a march later today in Belfast could affect business on what should be one of the busiest shopping days of the year.
A children's walk, Christmas party and Santa planned by a charity for youngsters with heart disease have already been cancelled.
Ulster Unionist Party leader, Mike Nesbitt MLA, called on protesters to stop now.
Anyone who attacks a police officer, anyone who riots, anyone who engages in illegal street protest, is disrespecting the values of the Union flag.
Stop now. You are losing the argument.
More top news
Bradley Lowery has a rare form of cancer and although he's having treatment it will only give him more time.
Delivery firms hold out against calls to improve conditions for self-employed workers as Hermes says any such move could cause job losses.
Wet and very windy weather spread in from the west overnight with snow expected across much of southern Scotland.