A picture of Daniel Walsh, who died in Grantham, has been released by police.
Police were called to Edinburgh Road just after midnight on Sunday after a "violent incident."
Police have charged two men with murder after the death of the 30-year-old.
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Lincolnshire and Nottinghamshire Air Ambulance has been nominated for a national award.
The five day festival attracted tens of thousands of people to the town and featured a packed programme of science and arts events.
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