Thames Valley Police has launched a murder investigation in Didcot.
The Force was called to an address in Vicarage Road by a member of the public at 8.23pm yesterday (23/3).
Police officers attended the scene and three bodies were found inside the property.
A man, a woman and a girl were pronounced dead by ambulance staff at the scene.
The deceased are yet to be identified at this time.
Further, cause of deaths will not be established until post mortems have taken place. The post mortems are yet to be scheduled.
At this time no arrests have been made.
Investigating officer, Det Chief Insp Simon Steel of the Thames Valley Police Major Crime Unit, said: “Thames Valley Police has launched a murder investigation in Didcot after receiving a call from a member of the public at 8.23pm yesterday (23/5).
“Police officers attended the scene and three bodies were found inside the property. A man, a woman and a girl were pronounced dead at the scene by ambulance staff. Their deaths are being treated as suspicous.
“This is a tragic incident and our thoughts are with the loved-ones of the deceased.
“I would like to reassure the public that we are carrying out a thorough investigation into the incident.
“We would urge anyone with any information about the incident to contact us immediately via 101 quoting reference number 1370 (23/5). Did you see or hear anything suspicious in Vicarage Road this evening? If you did then we want to hear from you.
“If you don’t want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111 or online at www.crimestoppers-uk.org. No personal details are taken, information is not traced or recorded and you will not go to court.
“A scene watch is in place in Vicarage Road, which is currently closed with access to residents only.
“I understand this incident will have an impact on the community and residents will be concerned. As you can understand, we are in the early stages of this investigation, but we will work hard to make sure the community is kept updated when we can.”