Unionists/Loyalists in Ireland Upper are currently throwing a shit fit about this. They claim Michelle O’Neill has no authority or power to sign any such agreement without the parallel agreement of their Deputy Minister Emma Little-Pengelly. They are having a really bad weekend, as Trump continues to describe everyone on the island as IRISH people, and call for reunification.
Not that I give any credibility to what the serial liar says, but it upset those who self-describe as British