A fifth person was arrested today in connection with the murder of a 28-year- old man whose body was dumped in an isolated lane.
The body of Peter Gunn was found with stab wounds on Dunsoghly Lane in The Ward, north Co Dublin on January 15. He had been missing for 11 days.
Gardai said a man in his 20s was arrested in Castlerea, Co Roscommon and is being held at the local garda station.
Four other people have been arrested in connection with the murder, although no-one has been charged.