Three people arrested in connection with the alleged murder of Dean Stansby have been re-bailed, while a further three men are still under investigation by detectives.
Mr Stansby, 41, of Trimley St Mary, was stabbed on the evening of February 8 near Ipswich railway station.
Last week three men were due to answer their bail dates.
A 33-year-old Ipswich man and a 43-year-old, of no fixed address, arrested on suspicion of murder, have been re-bailed until September 27.
A 36-year-old Ipswich man, detained on suspicion of assisting an offender, was also re-bailed to the same date.
Three other murder suspects, a 47-year-old from Ipswich, and two men from London, aged 23 and 27, are released under investigation.
Mr Stansby, a father-of five and grandfather, died of a stab wound to the abdomen at Ipswich Hospital where he had been taken after the incident in the Ancaster Road area.
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