A woman in her 50s was arrested at Mallow Railway Station this morning.
The 9am Cork/Tralee service was forced to stop at the station until Gardaí arrived.
In a statement to RedFM News, Gardaí say they attended a public order incident at the station at 9:30 this morning.
The woman, in her 50s, was arrested at the scene and taken to Mallow Garda Station.
Irish Rail say the incident delayed the train by approximately 15 minutes.