An 18-year-old man who was re-arrested on suspicion of the murder of James Attfield in Colchester earlier this year has been released on bail.
James, 33, was found with more than 100 stab wounds in Castle Park off Guildford Road on Saturday March 29. He died a short time later at the scene.
So far nine people have been arrested and they are all on bail until various dates next month.
CCTV images of potential witnesses to the savage murder of an Essex student have been released by police today.
Detectives investigating the murder of Nahid Almanea have issued an efit of a man they would like to speak to.