Video. Ten years ago this month, a father of two from Oxfordshire was attacked and killed by a gang of men outside a pub in Banbury.
Kevin Lavelle, who was 29-years-old, was set upon on the night of England's Euro 2004 defeat against Portugal.
He got into an argument with a group of Welshmen who were staying at the pub.
A decade on, his family have issued an emotional appeal to find his killers. Cary Johnston reports.
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Causes are thought to be climate change, fisheries, disease, and pollution.