A man has been arrested in connection with a historic murder case.
Patrick Heeran was last seen in Mohill in Co Leitrim on October 3, 2011.
The 48-year-old disappeared without a trace and the case was upgraded to murder five years later in 2016.
His body has never been found.
A man, aged in his late 30s, is currently being detained at Thurles Garda Station.
Investigations are ongoing.