The story behind #Neknomination

The online drinking game 'Neknomination', which involves filming oneself whilst 'necking' a drink, has gone viral on Facebook.

Participants post their videos on social media and then nominate someone else to do the same.

Its popularity has come at a price, after a teenager died in the Republic of Ireland who allegedly took part in a 'Neknomination'.

Produced by Anne-Marie Tomchak and Neil Meads.

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