Police investigating the murder of Victor Hamilton in Ballymena have arrested a man in Portadown.
The 33-year-old is the third person to be detained by detectives.
Sixty-three-year-old Mr Hamilton was found in the driveway of his home at Orkney Drive, Ballymena, shortly before 8am on Wednesday.
The 33-year-0ld was arrested during the early hours of this morning in Portadown.
Two others remain in custody.
A 29-year-old man was arrested in the Spring Meadows area of Armagh on Thursday morning. He was being questioned in the Serious Crime suite at Musgrave Police Station in Belfast.
A 23-year-old woman has also been held.