
https://www.politico.eu/article/the-uk-failed-10-year-bid-to-fix-the-brexit-border-northern-ireland/

https://www.bloomberg.com/opinion/articles/2020-12-18/britain-and-europe-s-fish-fight-reveals-ultimate-brexit-truths

http://www.migrationobservatory.ox.ac.uk/resources/reports/unsettled-status-which-eu-citizens-are-at-risk-of-failing-to-secure-their-rights-after-brexit/