A third person has been arrested by Gardaí investigating the murder of Neil Fitzgerald over the weekend

The 36-year-old was found dead at Hills Lane in Tallaght, Dublin on Sunday.

A man in his 20s has been arrested and taken to Tallaght Garda station.

He is being held under Section 30 of the Offences Against the State Act, 1939.

Two other men remain in custody for questioning about the killing.