Stephen Morrisson was stabbed to death two weeks ago
Stephen Morrisson, 30, from Plaistow, was stabbed in a car park near Epping New Road on Tuesday, 23 June.
He later passed away in hospital.
A 26-year-old man was detained this morning in Chigwell on suspicion of murder.
Four people have previously been arrested.
Senior Investigating Officer, Detective Chief Inspector Julie Gowen who is leading the investigation said: “Our investigation is quickly gathering pace and we are making significant progress with our enquiries.
“I would like to thank everyone who has got in contact with us so far. Your help has been invaluable.
“Five people have now been arrested in connection with Stephen’s death, but we are still asking anyone who has information to come forward and speak to us.
Stephen pictured with his brother Jon
“No matter how small or insignificant you think your information is, please get in contact with us.
“It could be the key to bringing those responsible for Stephen’s death to justice.”
Anyone with information about the incident is asked to contact the Essex Police Major Crime Team through its major incident public reporting site.
Alternatively, you can call them on 101, quoting crime reference 1191 of 23 June, or independent charity Crimestoppers completely anonymously on 0800 555 111.
Tags: Epping, Plaistow, Epping Forest
