A man has been arrested by police investigating the murder of south Armagh man Paul Quinn in 2007.
The man, who is in his early 50s, was arrested by gardai in Castleblayney and is being held at the garda station in Carrickmacross.
Paul Quinn, from Cullyhanna, was badly beaten and murdered in County Monaghan.
Paul Quinn (inset) and the farm he was beaten to death on in county Mongahan
His body was discovered at a farm property at Oram, close to the border with County Armagh, back in October 2007.
His parents, Stephen and Breege have long maintained that his murder was carried out by the Provisional IRA.
This morning’s search operation in Castleblayney involved a large number of officers and got underway at around 9am.
Mr Quinn’s mother, Breege, said they were delighted at the developments.
“The gardai rang to say they were scanning a field just on the border,” she told BBC NI. “They think there might be something buried in that field that was used for Paul’s murder.”
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