Jonny Byrne had been playing the drinking game known as 'neknomination' before his death.
The 19-year-old's body was discovered in the River Barrow in Carlow in the Irish Republic.
His brother Patrick has appealed to the public to avoid the stunt which involves people being challenged to post a video online of them downing drinks, then nominating others to do the same inside 24 hours.
Public health agencies have widely condemned the online craze and have appealed to young people to recognise the dangers posed by heavy alcohol consumption.
More top news
Sineenatra Wongvajirabhakdi, 34, was only appointed consort three months ago by King Maha Vajiralongkorn.
Fans of the sci-fi franchise will get to see the ninth - and apparently concluding episode - in December.
Boris Johnson’s big day ahead in Parliament leads Tuesday’s papers.