Police in Wales investigating the fatal collapse of a 29-year-old man are investigating whether a controversial drinking game played a part in his death.
Officers and paramedics were called to an address in Rumney, Cardiff, after receiving reports that a man had collapsed after taking part in the Neknomination game.
The craze involves participants filming themselves downing alcohol, nominating someone to continue the game, and posting the video on Facebook.
Participants are often dared to outdo the exploits of those who nominated them.
The controversial game is thought to have originated in Australia.
A South Wales Police spokesman said: "We are investigating the sudden death of a 29-year-old man from Rumney during the early hours of 9 February.
"Officers investigating his death on behalf of HM Coroner have received information regarding the so-called neck and nominate game.
"Inquiries are continuing and a post-mortem is taking place."
Neknomination has been linked to the death of 19-year-old Carlow man Jonny Byrne, whose body was taken from the River Barrow earlier this month.
His brother Patrick later used Facebook to urge others to stop playing the game.
He said: "He thought he had to beat the competition and after he necked his pint he jumped into the river. If people have any decency and respect, they will refrain from any more of this stupid NekNomination."