Thames Valley Police said its officers were called to a property in Middle Street, Islip at about 11.15am on Tuesday following reports that three children had been assaulted.
In an update issued this evening (October 24), the police force said a nine-year-old girl was pronounced dead at the scene.
READ MORE: Dead girl in Islip ‘lived with her mother and siblings’, say neighbours
Two other children, a boy and a girl, were taken to hospital for treatment and have since been discharged.
A 49-year-old woman from Oxfordshire was taken to hospital in a life-threatening condition and is currently under police bed watch.
Police at the scene in Islip, Oxfordshire (Image: Tom Wren / SWNS)
A post-mortem examination has been carried out, but the cause of death remains unascertained pending further investigation, the police force said.
The girl’s family is being supported by specially trained family liaison officers and has requested privacy at this difficult time.
In the latest update the police force described it as an ‘ongoing homicide investigation’ but said it is not currently seeking anyone else in connection with the incident.
Senior investigating officer Detective Inspector Amy Fox said: “First and foremost, our deepest sympathies are with the child’s family, friends, and all who knew and loved her.
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“This is an unimaginable tragedy, and we are doing everything we can to support those affected.
“We are not currently seeking anyone else in connection with this incident.
“The scene has now concluded at the property, but officers will continue to be present in the area over the weekend, and we encourage anyone with concerns or information to speak with them.
“This remains a highly sensitive and complex investigation. I want to sincerely thank the community for their understanding and patience as we work to uncover the full circumstances.”
Police & forensic officers at the scene in Islip, Oxfordshire (Image: Tom Wren / SWNS)
Earlier this week local councillors Gemma Coton, Alisa Russell and Julian Nedelcu shared a joint statement in which they said they would do “all we can to offer support”.
They said: “This is heartbreaking news for the residents of the village, and our thoughts go out to those affected by this tragedy.”
Police & forensic officers at an address where a tent was erected in Islip, Oxfordshire. (Image: Tom Wren / SWNS)
County councillor Laura Gordon echoed the comments of her fellow Liberal Democrats.
“I will be keeping the family,” she said, “and all those affected in my thoughts and offering any support needed to the community”.
Calum Miller MP also shared his “deepest sympathies”.
The representative for Bicester and Woodstock said: “Islip is a close-knit village, and a sense of shock will be felt profoundly as people come to terms with what has happened.
He added: “It is essential that the police are allowed the necessary space to carry out their investigation thoroughly.”