A fifth man has been arrested by police investigating the murder of a father of two in Cambridgeshire.
Postman Peter Stone was found with serious head injuries
Postman Peter Stone, 37, of Cottenham, was attacked near the village's Chequers pub, where he had been drinking on Saturday night.
He was found with serious head injuries in the early hours of Sunday morning.
Mr Stone was taken to Addenbrooke's Hospital where he died on Monday.
Four men arrested in Swansea on Wednesday morning have been taken to Cambridgeshire to be interviewed by detectives.
A fifth man was arrested on Wednesday night on suspicion of perverting the course of justice and released on police bail.
Detective Inspector Neil Smith said: "I am still convinced that the answers to what happened in Cottenham that night lie within the village."
He particularly appealed to anyone who was in the pub on Saturday night, no matter how briefly, to talk to police
He also asked for anyone who had telephoned information anonymously to ring back and provide a formal statement.