Dublin Fire Brigade and Gardai are at the scene.
Drivers are being advised to expect tailbacks and traffic delays on the N7 Naas Road at the J4 Rathcoole outbound.
The N7 westbound is closed between Junctions 4 and 5.
It follows reports of a collision that happened at 9.10am this morning.
Dublin Fire Brigade and Gardai are at the scene.
A garda spokesperson said the road is currently closed and local diversions are in place.
"Updates to follow. Investigations are ongoing," they said.


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