Emergency response personnel have been dispatched to the Fair Close neighbourhood of Bicester.
Officers have established road barriers, with paramedics on scene and a helicopter spotted in the airspace.
Additional information will be provided as it comes to light.
Local sources say residents in Fair Close have been told to stay inside their homes. An air ambulance was noted near the sports fields belonging to the Glory Farm estate.
Requests for comment have been made to Thames Valley Police.
Local reports indicate the incident may involve a sharp implement, although this has not been verified. Efforts to obtain clarification from Thames Valley Police have so far proved unsuccessful.
Related: A child has been reported dead and two people aged in their 20s have been arrested on suspicion of murder in a nearby location.
Those possessing relevant information or images should reach out via the supplied email address, with confidentiality guaranteed.
A photograph displaying the barrier arrangement in Fair Close has been posted by a local resident.
A Bicester local mentioned speaking with someone who had been conversing with officers for half an hour. They said the situation was serious but no further details could be disclosed.
When asked specifically whether there was an ongoing threat, an officer stated that the situation was under control and members of the public were not at risk.
The restricted zone has been removed, although police officers continue to patrol outside the relevant house. Roughly six response vehicles have driven away, with two staying on scene. The thoroughfare is now open to traffic.
This represents all the information currently accessible on this matter.
Further clarification from Thames Valley Police will be sought throughout the weekend to address local concerns.
A formal response from Thames Valley Police is still pending. Anyone with direct knowledge or those affected should make contact using the supplied details.
Thames Valley Police has now formally announced that an investigation into attempted murder is in progress following yesterday’s occurrence.
A Thames Valley Police spokesperson said a woman aged between 60 and 69 was attacked with a knife by someone she knew at a home in Fair Close at around 4:15pm.
The victim suffered multiple knife wounds but has since been discharged from hospital.
A man aged 27 from Bicester was arrested on suspicion of attempted murder. He remains held in custody.
An examination zone has been set up at the address. Local residents should anticipate a heightened police presence in the vicinity during the investigation. Anyone with worries should approach an officer in uniform.
The senior investigating officer, Detective Inspector Richard Allmond from Oxfordshire CID, asked anyone possessing details about this occurrence in Fair Close, Bicester to make contact.
The detective acknowledged this will worry local residents. However, one person is detained, they are known to the victim, and no other individuals are being sought. Consequently, there is believed to be no risk to the wider public.
The focus remains on conducting a thorough investigation and providing assistance to the victim, who was fortunate to suffer only minor injuries. Those able to help are asked to get in touch.
Those with information can call 101, submit details via the Thames Valley Police online portal, speak with an officer in uniform, or visit a police station, quoting reference 43260150545.
To pass on information anonymously, reach the independent organisation Crimestoppers on 0800 555 111 or via their website.
Complete reporting on this incident can be found via the supplied link.
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