etectives investigating the tried homicide of Detective Chief Inspector John Caldwell in Northern Eire have arrested a person in reference to the declare of accountability made following the assault.
The 23-year-old was arrested in Londonderry below the Terrorism Act and has been taken to Musgrave critical crime suite in Belfast for questioning.
Mr Caldwell was shot a quantity of occasions in entrance of his son at a sports activities advanced in Omagh, Co Tyrone, in February.
The detective, who had investigated plenty of high-profile homicide circumstances, spent a number of weeks in intensive care following the assault.
A typed message, purportedly from the New IRA, was posted on a wall in Derry and stated the group was accountable for the taking pictures.
Police have stated the New IRA is the primary line of inquiry within the investigation.
A variety of individuals have beforehand appeared in court docket charged in connection together with his tried homicide and on expenses across the declare of accountability.