New Labour leader takes over from Keir Starmer and will head to Downing Street to appoint his cabinet UK politics live – latest updates Andy Burnham has formally become the UK prime minister after meeting King Charles at Buckingham Palace, the fourth person to hold the role in less than four year...
Source: [Guardian World](https://www.theguardian.com/politics/2026/jul/20/andy-burnham-uk-prime-minister-meeting-king-charles)