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A total of 48 people died in the fire that engulfed the Stardust nightclub in Artane in the early hours of February 14, 1981.
Photographer Eamon Farrell captured these rare colour images (black and white photography being the standard for press work at the time) in the aftermath of the tragedy.
The gallery, which includes scenes from outside the city morgue, begins in the RDS, as news of what has happened reaches delegates attending the Fianna Fail Ard Fheis.
Prime Time Special On the 20th Anniversary (2001): Watch here