So the suspect has now been named.
Police are on high alert this weekend amid concerns over more disorder breaking out as protests take place across the country. In Northern Ireland, police are investigating a "racially motivated" attack on a mosque.
news.sky.com
He turns 18 in just six days time so it seems largely academic as it would've come out anyway next week. I wonder however if his sentence will be any different had he committed the killings after he turned 18? Presumably, unless there's some mental health issues at play, he would be tried and sentenced as an adult but I don't know how the law works.