Some claim arrival via Ireland is a ‘backdoor’ that should be closed. But what would that look like in practice? Some claim arrival via Ireland is a ‘backdoor’ that should be closed. But what would that look like in practice? After footage of a stabbing attack in Belfast was widely circulated on social media, questions have been raised about how the suspect, Hadi Alodid, came to the UK, what his immigration status was and whether he was known to the authorities. One claim made in the aftermath