https://www.theguardian.com/uk-news/2021/apr/11/boris-johnson-refuses-calls-for-summit-on-violence-in-northern-ireland

https://www.abc.net.au/news/2021-04-04/brexit-protesters-in-northern-ireland-set-cars-alight/100048036

https://www.theguardian.com/uk-news/2021/apr/07/bus-set-on-fire-in-belfast-on-sixth-night-of-unrest-in-northern-ireland

https://www.irishtimes.com/news/crime-and-law/fears-mount-of-another-night-of-violence-in-northern-ireland-1.4527570

https://www.aljazeera.com/news/2021/4/10/irish-pm-warns-against-spiral-in-northern-ireland-violence

https://www.belfasttelegraph.co.uk/news/northern-ireland/belfast/northern-ireland-riots-14-police-officers-injured-and-three-14-year-old-boys-arrested-during-belfast-disorder-40296934.html

https://www.heraldscotland.com/news/19224298.police-pelted-petrol-bombs-disorder-northern-ireland-continues/