Follow RT on By Kevin Karp, commentator, screenwriter, and former political adviser in the House of Commons and the European Parliament. As an EU adviser based in Brussels and Strasbourg, he specialized in international trade, European populism, and Brexit. Find his website at moon-vine-media.com. For eight nights, riots have wracked five of the UK province’s cities and injured dozens of police. Prime Minister Boris Johnson is “deeply concerned.” What ought to concern him most is how Brussels has fuelled the violence. EU officials have obstinately adhered to an onerous Brexit-deal provision that has alienated pro-UK Ulster unionists in Northern Ireland from the British mainland, making some of them launch what they believe is a proportional response to an undemocratic decree.