Blanchardstown Shopping Centre has been evacuated with a number of armed Garda units at the scene.
There are no further details yet.
People on social media have been posting what they saw.
Just been evacuated from blanchardstown centre ...very calmly I might add!— Elascol (@Elascol) November 1, 2017
The ERU have evacuated Blanchardstown shopping centre. pic.twitter.com/pFEOLyI1J0— Photos of Dublin (@PhotosOfDublin) November 1, 2017
Dublin Bus say routes which serve the area have been re-routed while the incident is ongoing.
Customer Notice: Due to an ongoing incident routes 17A, 39/A 220, 236 238, 239 and 270 are unable to service Blanchardstown S.C #DBSvcUpdate— Dublin Bus (@dublinbusnews) November 1, 2017
More to follow.