A four-year old boy and a woman in her 30s are in a critical condition following a five-vehicle road crash.
The horror smash happened at 1.40pm yesterday at Glencaum, Cork, about one-mile outside the village of Rathduff on the N20 main Cork-Limerick Road.
One articulated truck, a BMW car, an Opel Vectra car, a Berlingo van and a Volkswagen Transporter van were involved in the collision.
Five people, including the woman and young boy, were rushed by ambulance to Cork University Hospital and the Mercy University Hospital in Cork city.
The pair are said to be in a critical condition, while three others were treated for injuries which are not believed to be life-threatening.
Five ambulance units of the fire service from Anglesea Street in Cork city and Mallow and gardai attended the scene.
Forensic Collision Investigators have examined the scene in a bid to determine the cause of the crash.
Meanwhile, gardai are investigating a fatal collision in Blackrock, Dublin yesterday afternoon.
A 36-year-old male was seriously injured when his motorcycle struck a parked car on Carysfort Avenue, Blackrock at approximately 4.40pm.
He was taken by ambulance to St. Vincent's University Hospital where he was later pronounced dead.
Gardai are appealing to anyone who may have witnessed either incident to contact them.