Gardaí investigating the murder of Dublin man Kenneth Fetherston have arrested four people, it has emerged.
The skeletal remains of the 26-year-old father of one were discovered in the Dublin mountains last month.
Kenneth Fetherston - who was from Tallaght - went missing on September 22 last.
The 26-year-old father of one was last seen at Landy's Industrial Estate in Knocklyon.
His red Honda Civic which he had been driving at the time was later found in Gorey in Co Wexford.
Four months later his skeletal remains were found at an area known as Viewing Point in the Dublin mountains and a murder investigation was launched.
Yesterday, gardaí arrested a man and a woman in Gorey and in Dublin.
They are being questioned at Tallaght garda station.
While this morning two men were arrested and are being questioned in Rathfarnham.