A north Belfast republican has secured High Court permission to challenge a decision by police to stop and question him at an airport.
Lawyers for Aidan Ferguson claim anti-terrorism legislation was unlawfully used to examine him on his return from a trip to Spain.
He was granted leave to seek a judicial review in a case brought against the PSNI.
Mr Ferguson, who describes himself as a community activist, issued proceedings over an incident at Belfast International Airport in November 2019.
The Ardoyne man claims he was approached on arrival by police officers who knew his name and gave the impression they were stopping him for specific reasons.
He was informed that the action was being taken under Schedule 7 of the Terrorism Act 2000, according to papers in the case.
During a 20-minute period he was allegedly asked his views on the Irish border, Brexit and British Prime Minister Boris Johnson.
In an affidavit provided as part of the case, Mr Ferguson claimed he was not...