Simon Dobbin was left with permanent brain damage after he was attacked on his way home from a Cambridge United game.
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Five men have been arrested on suspicion of murdering a football fan five years ago.
A Cambridge United fan was left with permanent brain damage after he was attacked on his way home from a game.
He needed round-the-clock care because he couldn't walk or talk.
Mr Dobbin passed away at the age of 48 at his home in Mildenhall, Suffolk.
Essex Police said there was a link between Mr Dobbin's death and his injuries.
Five people were arrested on Friday at addresses in the south of the county.
All of them are being held and will be questioned about the murder.
Simon's death was linked to the injuries he sustained on the day he was attacked, according to the lead investigator.
A new investigation was launched after we found that Simon's death was a homicide.
Five people were arrested this morning on suspicion of murdering someone.
A number of people who we are considering as witnesses are being spoken to.