It's part of an investigation into the murder of prison officer David Black
Two men have been arrested in County Donegal as part of an investigation into the murder of prison officer David Black.
As part of a joint operation by the Gardaí and PSNI - a man in his 40s and a man in his late 50s were detained earlier this afternoon.
The man in his 40s is being held at a Garda Station in Dublin and is due to appear before the High Court tomorrow morning on foot of a European Arrest warrant.
The second man is being held at Letterkenny Garda Station.
As part of the operation a 47 year old woman was also arrested in Belfast and is being questioned at Musgrave Serious Crime Suite.