The accident occurred on Sunday afternoon outside a row of shops in the south Dublin suburb.
A female driver in her 40s and seven teenage pedestrians have been injured when the woman's car mounted the footpath on Oliver Plunkett Road.
The incident is said to have occurred around 3pm on Sunday, November 8.
The driver has been taken to a different hospital to the teens for treatment.
Gardaí said: "The seven juvenile pedestrians, all teenagers, and the driver of the car, a woman aged in her 40s, sustained varying degrees of injuries.
"All eight individuals have been taken to different hospitals for treatment."
Gardaí and other emergency vehicles were called to the scene on Oliver Plunkett Road, near the junction with Kill Avenue in the Monkstown/Dun Laoghaire area.
According to reports, four ambulances, several fire brigade units and a number of gardaí were on the scene.
While an investigation is being launched into the accident, there have been reports that the driver suffered a medical episode.
While emergency services attend the scene, Oliver Plunkett Road remains closed.
More to follow...
Main image: Gardaí at a crime scene, Leah Farrell / © RollingNews.ie