Detectives investigating the murder of Kevin McGuigan have arrested a 41-year-old man in east Belfast.
The 53-year-old father-of-nine was shot dead in the Short Strand at his home in Comber Court on Wednesday August 12.
The 41-year-old's arrest is the 12th in the murder investigation into the killing of the former IRA member.
Detective Chief Inspector John McVea said: "The suspect has been taken to the Serious Crime Suite at Antrim Police Station for questioning."
Update: The 41-year-old man arrested on Wednesday, 2 September by Detectives from Serious Crime Branch investigating the murder of Kevin McGuigan has been released unconditionally.