A 19-year-old man has been arrested on suspicion of murdering a man in Birmingham city centre at the weekend.
A 46-year-old man, who has not yet been identified, was found dead in Thorp Street at about 23:15 BST on Saturday.
The suspect was arrested in Highgate earlier.
A post-mortem examination on Monday revealed the victim died as a result of multiple stab wounds. Anyone with information has been urged to contact West Midlands Police.