A man is in a 'very serious condition' after being stabbed in an alleyway in Sheffield.
The 21-year-old was knifed in an attack off Langsett Close, between Upperthorpe and Walkley, just before 6.45pm on Tuesday.
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He was rushed to the Northern General Hospital and underwent emergency surgery.
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South Yorkshire Police said he was serious but stable yesterday but this morning said he is now in a 'very serious condition'.
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An 18-year-old man was arrested on suspicion of attempted murder after the attack, which detectives are treating as 'targeted'.
A police cordon remained in place for much of yesterday while crime scene investigators worked in and around the alleyway where violence flared.
The police tape was removed last night.