A fourteenth person has been arrested as part of the investigation into the attempted murder of senior PSNI officer John Caldwell.
A 60-year-old man was arrested in the Belfast area on Thursday and taken to Musgrave Serious Crime Suite for questioning.
Thirteen previous arrests have been made in the case, with all of those detained having been released without charge.
READ MORE: NI terror threat level severe as "dissidents desperate for a kill"
"Detectives investigating the attempted murder of Detective Chief Inspector John Caldwell on 22 February in Omagh have today, Thursday 30 March, arrested a 60-year-old man," a police spokesperson said.
"The man was arrested under Section 41 of the Terrorism Act 2000. He was arrested following the search of a property in Belfast, and has been taken to Musgrave Serious Crime Suite for questioning."
The latest arrest comes one day after the terror threat level for Northern Ireland was increased to 'severe' from 'substantial' following an MI% assessment.
DCI Caldwell was shot multiple times my masked gunmen as he loaded footballs into his car at Omagh Youthsport, with the gunmen continuing to fire as he fell to the ground in what police chiefs have called a "cowardly" attack.
Police believe the New IRA was responsible for the attempt on DCI Caldwell’s life on Wednesday February 22, despite reports that a number of those arrested thus far come from a loyalist background.
A chilling statement claiming responsibility for the attempted murder was pasted on to a wall in Derry on February 26. The message purporting to be from the self-styled "IRA" surfaced in the city, and was signed off "T O'Neill" - a signature synonymous with dissident republican paramilitaries.
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