Murder detectives probing the shooting of a man in a nightclub have cancelled the bail of five men still under arrest in connection with his death.
Jimoh Plunkett, 24, from south London, was shot inside Zest
Jimoh Plunkett, 24, from south London, is believed to have been the victim of mistaken identity when he was shot inside Zest, Ipswich, in December 2006.
All of the five men had been arrested on suspicion of conspiracy to murder.
The inquiry remains open and further arrests and re-arrests could be made at a future date, a police spokesman said.
More than 800 people, mostly from London, had been at Zest nightclub on the evening of 8 December 2006 when a number of shots were fired inside the club in the early hours of the following morning.
Mr Plunkett was shot in the chest but managed to run out of a fire escape door before collapsing in the street.
He was later pronounced dead at Ipswich Hospital. Three other men were also injured.
'Not intended victim'
Det Supt David Cole said: "The investigation is still active and will continue.
"We believe that he was not the intended victim of the shooting, but that this was a case of mistaken identity."
The murder investigation has seen detectives from Suffolk Police travel to South Wales, Southampton, Kent and Essex.
A permanent team was set up in south London at an Operation Trident police station - which deals specifically with gun crime in the capital - earlier this year.
"We know that people witnessed this shooting," Det Supt Cole said.
"They know who took Jimoh's life and inflicted the injuries sustained by three other men in the club that night however, for whatever reason, they do not feel able to come forward and do the right thing," he added.
The Zest nightclub in Ipswich remains closed.
Anyone who was in the club on night of the shooting, or has information about Mr Plunkett's killer, is asked to contact Suffolk Police or CrimeStoppers.