Gardai (the police) are still waiting to question a man admitted to hospital a couple of days ago with what might be self-inflicted wounds. Another man was arrested and questioned soon after the attack, but despite Gardai releasing him and saying he's no longer a suspect, he was named on social media and had to go into hiding!
The incident may have brought people together, but it's not going to lead to unification. Brexit has added extra complications to the trade relationships between Northern Ireland and the Republic of Ireland and also between Northern Ireland and the rest of the UK.