A woman was stabbed in Wembley in the early hours of Friday morning.
Police were called at 1.35am on September 30 to reports of a stabbing in Mount Pleasant.
Officers and London Ambulance Service paramedics attended and a woman, in her 20s, was found with a stab wound.
She was taken to hospital, where her condition was assessed as not life threatening.
A 34-year-old man was arrested on suspicion of attempted murder. He remains in custody at a north London police station.
Enquiries are ongoing and anyone with information about what happened is asked to call 101 quoting CAD 445/30Sep. To remain anonymous contact the independent charity Crimestoppers on 0800 555 111.
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