Police in Sheffield have made a tenth arrest in connection with the murder of Aseel Al Essaie.
Mr Al-Essaie was shot dead in broad daylight in Daniel Hill, Upperthorpe, on February 18, 2017.
He was taken to hospital but died shortly afterwards.
A South Yorkshire Police spokesman said: "A 35-year-old man has been arrested on suspicion of assisting offenders and is currently in police custody being questioned by officers.
"Officers continue to appeal for information as their enquiries continue."
Anyone with information should call 101 or email firstname.lastname@example.org quoting incident number 571 of 18 February 2017, or call Crimestoppers anonymously on 0800 555111.