Update: 9.30pm: A fire has broken out on the roof of the state's only youth detention centre.
The Dublin Fire Brigade was called to the Oberstown campus at 7.50pm however there is no reports of injuries.
Five units and three senior officers are working to tackle the blaze.
It comes after a group of young residents climbed onto the building's roof earlier today.
It is not clear at this stage how the fire started.
Update: 6pm: Gardaí are still at the scene of a public order incident at the Oberstown Children's Detention Campus in north Dublin.
It is understood a group of up to eight young residents have climbed up onto the roof of one of the buildings.
It comes as staff at the facility staged an eight hour work stoppage over safety at the centre.
Gardaí say they are monitoring the perimeter of the campus.
Earlier: It is understood a group of young residents at the Oberstown Children’s Detention Campus in Dublin have climbed up onto the roof of one of the buildings.
It comes as workers at the facility are in the middle of an eight hour work stoppage.
Some of the workers - who were picketing - have gone in to help.
The garda helicopter is also at the scene.