A man was taken to hospital after being stabbed in Langley High Street at about 3pm on Tuesday.
High Street remained closed until 7pm while forensic experts examined the scene.
A man has been taken to hospital and remains in a stable condition.
A woman, aged 31, was arrested on suspicion of assault and was released under investigation.
Anyone with information is asked to contact police on 101 quoting reference 804 17/9.
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