A man is expected to be charged with manslaughter following an arrest, police in Thailand said.
Police said British tourist Stephen Ashton was with a group of friends and 300 other tourists on New Year's Eve.
They were celebrating the countdown to 2013 at a pub and restaurant called the Zoom Bar when he was shot by a home-made gun at Haad Rin beach shortly after 4am.
The Bangkok Post reported that he was visiting the island with four or five friends and was staying at Pink Bungalow on Haad Rin.
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Wilkins, who played for Chelsea and Manchester United, was arrested on July 1 near Heathrow Airport and and charged with drink-driving.
The take-away owner simply paid no attention to the masked gunman and went on with making food for his customers.
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