A number of people have been treated for the effects of smoke inhalation following a fire at an apartment complex in Clondalkin in Dublin.
The fire broke out at the Thornfield Square Apartments, Watery Lane shortly after 5am.
Up to ten units of the fire brigade and ambulance services attended the scene.
There are no reports of serious injuries.
The apartment block is being treated as a crime scene and gardaí are investigating the cause of the blaze.
There is water damage to some properties and a number of children had to be evacuated through first-floor windows.
The fire is believed to have started in a communal hallway.