The PSNI has arrested two men and a woman in connection with the murder of a Co Armagh farmer just over two years ago.
45-year-old Victor Stewart was beaten to death at his isolated farmhouse in Middletown in October 2008.
A 21-year-old man, detained in Lisburn, is being questioned about withholding information.
A 50-year-old woman and a 22-year-old man remain in custody after being arrested this morning.
Last month, 23-year-old Peter Joseph Moloney of Drumarg Park in Armagh was remanded in custody, charged with Mr Stewart's murder and stealing from a safe in his home.
