Detectives investigating the death of 18-year-old Jamie Meah in Armley have now arrested four people on suspicion of murder.
The men, aged 18, 19, 24 and 30, have all been interviewed and released on bail.
Jamie died in hospital after being fatally stabbed in an attack at the junction of Hall Lane and Brentwood Terrace in Armley on Friday, 31 March 2023.
Detectives are continuing to appeal for information.
Contact police by using 101 Live Chat online or by calling 101, quoting crime reference 13230180255. Information can also be given anonymously via the independent charity Crimestoppers on 0800 555 111.