A 21-year-old man has died in hospital after being stabbed in an alleyway.
Emergency services were called to Langsett Walk in Sheffield just before 18:45 BST on Tuesday.
The victim was taken to hospital but died on Saturday, South Yorkshire Police said.
An 18-year-old man was arrested on Tuesday on suspicion of attempted murder and has been released under investigation.
A 17-year-old boy, arrested on Friday on suspicion of conspiracy to rob, has been released on bail.