It happened yesterday afternoon
The collision involving two cars happened in the Knocknaboul area of Ballydesmond at around 4:45pm yesterday afternoon.
The boy was a passenger in one of the cars and was airlifted to Limerick Regional Hospital.
The driver and three other passengers of the same vehicle are being treated for non life-threatening injuries.
Gardai have examined the scene and are appealing for witnesses to come forward or contact Macroom Garda Station on 026 20590 or the Garda Confidential Line on 1800 666 111.
