A man has been arrested in connection with 'a claim of responsibility' following the shooting of Detective Chief Inspector John Caldwell in Tyrone last month.
The PSNI say the 25-year-old man is being questioned in Musgrave Serious Crime Suite.
He's also being held in relation to a hoax security alert last month in Derry, where a suspicious object was found near Celtic Court.
Advertisement
Last month, Detective Chief Inspector Caldwell was shot in front of a group of youths in a sports complex in Omagh and suffered life-changing injuries.
