An “audacious raid” was carried out to steal a £2.8 million gold toilet from Blenheim Palace, a court has heard.

Nicholas Prosper pleaded guilty to the murders of Juliana Falcon, 48, Giselle Prosper, 13, and Kyle Prosper, 16, at Luton Crown Court on Monday.

The software, known as Meld Graph, was developed by scientists at King’s College London and University College London.

Lord Rees was elected mayor of Bristol in 2016 and held the post until May last year when it was abolished following a referendum.