A “poll of the day” is raising renewed questions about whether passport checks should be carried out for travel between Northern Ireland and the Republic of Ireland, according to the reported framing of the issue. The questions are presented in the context of a serious incident in Belfast: a knife attack in which a man in his 40s is reported to be in critical condition. The coverage links the debate over border procedures to public concern following the attack, using the idea that changes to checks could affect security at the border. The report does not indicate new policy being implemented, but instead highlights that the attack is prompting discussion and public opinion measurement on the question of whether passport checks should occur between the two jurisdictions. Overall, the information available here centers on the existence of the poll and the connection drawn between the Belfast incident and calls to consider border checks, without detailing official responses, legal mechanisms, or specific government proposals in the provided text.