The Prime Minister declined to comment on the former prince, but said in general anyone with relevant details should provide them.

Ed Miliband has insisted he sees climate talks at Cop30 in Brazil as a “step forward” despite the summit ending with a final deal that does not include an explicit road map to phase out fossil fuels.

The cause of death for the retired television technician is not yet known, an inquest opening at Oxfordshire Coroner's Court has heard.