Police have confirmed three further arrests have been made in relation to the murder of 21-year-old James Halewood.
Officers were called to Broad Lane, Kirkby on July 7 at around 12.50pm to reports a man had been stabbed.
James was later taken to hospital where he died as a result of his injuries.
A Home Office post mortem confirmed the cause of death was a single stab wound.
In a statement, Merseyside Police said:
Anyone with information is asked to contact Merseyside Police social media desk via Twitter @MerPolCC or Facebook Merseyside Police CC.
You can also call 101 quoting incident reference 19100362642 or contact the independent charity Crimestoppers anonymously, on 0800 555 111 or via their online form at: https://crimestoppers-uk.org/give-information/give-information.