Dublin Fire Brigade is battling a massive blaze at Greenogue in west Dublin.
The flames and a huge plume of black smoke is visible from the N7.
At least four units of Dublin Fire Brigade are dealing with a major blaze at a recycling centre at Greenogue.
The alarm was raised just after midnight but crews are still trying to bring it under control this morning.
The fire is visible to drivers on the N7 at Rathcoole and motorists are being warned it may affect visibilty.
Dublin Fire Brigade are urging drivers not to get distracted.