Two people found dead at a property in Cardiff are believed to be a 72-year-old woman and a 74-year-old man, South Wales Police said.
Emergency services were called to the house in Morfa Crescent, Trowbridge, at about 2.50pm on Saturday.
Although formal identification has not yet taken place, the bodies are believed to be that of a 72-year-old woman and a 74-year-old man, the force added.
Next of kin are being supported.
A rifle has been recovered from the property, the force said.
A dog was also found deceased at the address.
Detective Chief Inspector Lianne Rees, from South Wales Police, said: “We understand this incident has shocked and saddened the local community.
“Extensive inquiries are being conducted to establish the circumstances leading up to the incident.
“We are awaiting the results of post-mortem examinations which will confirm the cause of death.
“Currently, we are not actively seeking anyone else in connection with their deaths.”
The force thanked the local community for its patience and understanding while cordons remain in place.
