https://www.bbc.co.uk/news/articles/cv2gez04807o
According to other versions of this story, one fell in, and the other went to rescue him. Both are said to have drowned.
That canal is so shallow the water is at your waist when you stand up in it (depth 3.5 ft).
They couldn’t have been sober, then.
Irish people don’t drink, everybody knows that.