A boy, aged 17, is being quizzed today over a stabbing in Sheffield.
The teenager was arrested over an attack in Plowright Way, Gleadless Valley, in which a man was stabbed in his leg last night.
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He is being held on suspicion of attempted murder.
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South Yorkshire Police said the stabbing occurred at around 8.30pm yesterday.
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The victim's injury is described as 'non life threatening'.
A police spokeswoman said: "At around 8.30pm yesterday evening, officers responded to reports a man had been assaulted in Plowright Way, Sheffield.
"A 21-year-old man sustained a non-life threatening stab wound to his leg in the incident.
"Officer arrested a 17-year-old boy on suspicion of attempted murder in connection with the incident. He currently remains in police custody."
Anyone with information should call South Yorkshire Police on 101 and quote incident number 932 of April 4 or Crimestoppers on 0800 555111.