The car crash occurred yesterday afternoon, two vehicles collided at top speed.
Four people were involved with the crash, three males between the ages of 19 and 25 years old.
The driver and the rear seat passenger occuping one of the cars were critically injured and were taken to Tallaght Hospital where they are said to be in a dangerous condition.
A 19 year old, one of the occupants of the car, from Dublin is “fighting for his life”
A third individual, the driver of the second car received only minor injuries, but a witness of the accident stated that it was “the worst thing” he had ever seen.