Detectives are keeping an open mind about the death of a 107-year-old woman and her daughter whose bodies were found in a house in a rural market town.
The pair were named locally as centenarian Barbara Innes and 69-year-old Griselda Folkard, and were discovered at an address in Builth Wells, mid-Wales, on Monday.
Dyfed Powys Police said they are not looking for anyone else in connection with the deaths, but shocked friends have suggestions Griselda killed her mother and then herself.
But one elderly neighbour, who asked not be named, said: "Griselda was a lovely woman who always looked after her mother and did everything she could for her. There's no way she would ever hurt her mother.
"Her mother's ill-health has often worried Griselda. She often has said she would not know how to cope when her mother passed away. The pair were very close. It's such a tragic thing to happen."
Emergency services were called to the women's home in the centre of Builth Wells at about 10am on Monday. Witnesses reported seeing ambulances arrive - although neighbours feared both mother and daughter were already dead by that stage.
Officers carried out door-to-door inquiries and conducted early forensic tests.
However, Dyfed Powys Police decided against making an immediate public appeal for information on the tragedy - and instead waited until Friday afternoon before issuing a statement.
A police spokeswoman said: "Officers are investigating the sudden deaths of two elderly women from Builth Wells. Their bodies were discovered at their home on Monday, April 8 shortly after 10am. The women, a mother and daughter, were aged 107 and 69. Post-mortems have taken place and inquiries are continuing."
Dyfed Powys, which has the largest geographical area to cover out of Wales's four police forces, also said they are not looking for anyone else in connection with the deaths. "They are not believed to be caused by carbon monoxide poisoning," the spokeswoman added.