A man in his 40s has been arrested on suspicion of murder after the bodies of a couple were found in a west London flat.
Police entered the apartment at Adair Tower, North Kensington, in the early hours of Thursday after a tip-off was made to officers in Surrey.
On entering the flat officers found the bodies of two people, who are believed to be a man and woman aged in their late sixties, the Metropolitan Police said.
The man arrested was detained in Surrey on suspicion of murder, Scotland Yard added.
DCI Rob Pack, who is leading the investigation, said: “This is an awful case where an elderly couple have been found dead in their home.
“My team are busy carrying out a number of enquiries included local CCTV footage review, house to house enquiries and forensic work but need to hear from those who have information.
“Do you live nearby? Did you see or hear anything suspicious? We need you to get in touch and speak with investigators as soon as you can.”
Any witnesses or anyone with information is asked to call police on 101 quoting CRIS reference 5609638/19.
You can also call Crimestoppers anonymously on 0800 555 111 or tweet information to police via @MetCC.