The Democratic Ulster Party's Paul Givan described the attack as despicable. He said protests should be stopped if they could not be peaceful.
It is vital that those who continue to have protests, if they cannot guarantee that there will be no violence; that there will be no blocking of roads and no disruption to people's way of life, that they do not go out onto the streets and they should desist from that activity.
More top news
The legendary actor said he helped a woman who was giving birth under a tree in London's Richmond Park.
Jordan Burndred's devastated mum Nicola confirmed the news on Facebook saying the 17-year-old 'didn't make it through the night.'
At least four plots attempts to smuggle highly-radioactive materials to Islamic State militants were stopped in the last five years.