Detectives have released a man who was arrested in connection with the stabbing of a teenager in Leeds last week.
Officers arrested a 21-year-old man on suspicion of assault a short time after the stabbing was reported.
Today police confirmed that the suspect had been released under investigation while enquiries continue.
Anyone with information is asked to contact Leeds District CID via 101, quoting crime number 13170511700.
Alternatively, call the independent charity Crimestoppers anonymously on 0800 555 111.