Four-car collision on N7; Two lanes blocked

There has been a major collision on the Naas Road this morning.

Two fire brigades, three ambulances and Gardaí are currently at the scene on the N7 northbound before J5 Athgoe.

Four vehicles are believed to have been involved in the collision.

AA Roadwatch is warning of very heavy traffic due to the accident which has left two lanes blocked.

More to follow.