A second man has been arrested in connection to the investigation into the murder of Ashling Murphy.
The 23 year old was laid to rest yesterday.
Gardaí have arrested a man in his 30s for potentially withholding information relating to the investigation into the murder.
He is being questioned at a garda station in the Eastern Region.
Another man who was arrested yesterday on suspicion of murdering the school teacher remains in garda custody at Tullamore garda station.
Today marks a week to the day since the 23 year old went for a run along the canal bank in Tullamore and was violently assaulted.