The father of a teenager who drowned after taking part in the 'neknomination' drinking game has made an emotional appeal urging young people to "think about what they're doing".
Jonny Byrne, 19, died after jumping into the River Barrow in Carlow on Saturday after participating in the online craze.
The teenager's father Joe Byrne said the whole family is devastated and their lives "will never be the same again".
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