A fourth person has been arrested in connection with the investigation into the murder of a man missing since 2011.
Patrick Heeran was last seen in Mohill, County Leitrim on Monday 3rd October 2011.
Patrick was 48 at the time of his disappearance.
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A murder investigation was launched by gardaí in 2016.
They today confirmed a man in his 30s has been arrested in connection with the investigation - the fourth arrest to date.
He is being held at Thurles Garda Station under Section 50 of the Criminal Justice Act 2007.
