A man was stabbed at a house in Eynsham on Tuesday, suffering injuries to his face.
Emergency services were called at around 8.30pm to a house in Wytham View.
The injured 50-year-old man remains in hospital.
A 40-year-old woman from Oxford has been arrested on suspicion for grievous bodily harm with intent, and for assaulting a police officer.
She has been bailed until January 7.
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