Oxford street death man died from brain injury
Post-mortem tests have shown a father-of-six who was found unconscious in an Oxford street died from a brain haemorrhage.
David Cox, 56, of Asquith Road, Rose Hill, was discovered in Ashurst Way early on Saturday.
Police officers believe he was involved in some kind of argument shortly before he was found.
Four males, two aged 17, one aged 20 and the other 23, were arrested on suspicion of manslaughter and bailed.
Denise Presley, Mr Cox's niece, described him as a "very friendly, loving, caring father and brother".
Mr Cox had been a kitchen porter at Oxford University's Exeter College.