Gardaí say the mother and three children at the centre of a Child Rescue Ireland Alert have been found safe and well.
The PSNI located Fiona Gregg, Killian, aged eight, Elisha aged six, and Derbhla aged two in the Enniskillen area of County Fermanagh.
Gardaí are thanking the public and the media for their assistance during this C.R.I. Alert
Gardaísay it is a sensitive case and are appealing for privacy for the Gregg family.
Update at 12.30am
An off-duty police officer in the north located Fiona Gregg and her three young children at a petrol station in Enniskillen, Co Fermanagh.
The ISPCC has praised officers for their swift response
The PSNI says a woman in her 40s has been taken into custody under the Mental Health Act and three children are now in the care of the social services.