@NOLAN_LISAM meets the father of a man who has been told he may not regain sight in his eye after a firework exploded in front of him.

@NOLAN_LISAM meets the father of a man who has been told he may not regain the sight in his right eye after a firework exploded in front of his face and we should warn you that he gives a fairly graphic account of Colum's injuries. #bbcnolan