A second man has been arrested in connection with the investigation into the murder of Ashling Murphy.
He has been arrested in relation to the potential withholding of information.
Gardaí have until this evening to continue questioning a suspect arrested yesterday.
The man in his 30s was arrested at a Dublin hospital and is being held in Tullamore.
23 year old Ashling was laid to rest yesterday, after being attacked and killed while running along the Grand Canal in Offaly last Wednesday.
Officers must either charge or release the primary suspect later today.
Shannonside FM will have more on this story as it develops.......