Thames Valley Police (TVP) found the woman unconscious in a property in Milton Keynes, Buckinghamshire, just after 8am on Saturday.

They had received reports a woman in her seventies had been attacked.

The woman was taken to hospital, where she later died.

Police launched a murder investigation and arrested a 77-year-old man from the area on suspicion of murder.

The man remains in custody and police are "confident that this incident is contained".

Senior investigating officer Detective Chief Inspector Dejan Avramovic of Thames Valley Police's Major Crime Unit said: "Tragically, following an incident yesterday morning, a woman has died.

"There will be a scene-watch in place at the location, and if you have any concerns, you can address these with any of our officers at the scene.

"I appreciate incidents such as this will cause concern in the local community, but I would reassure the public that we are confident that this incident is contained, there is no wider risk to the local community and we are not looking for anybody else in connection with the incident."