Andy Burnham, who is set to formally replace Starmer on Monday, will become the UK’s seventh prime minister in a decade.

Outgoing UK Prime Minister Keir Starmer on Wednesday pledged his "wholehearted support" to his successor as he prepares to hand over to premier-in-waiting Andy Burnham.

Outgoing leader says Britain is stronger as he hands power to Andy Burnham

Andy Burnham is to replace Starmer on Monday, shortly after he is expected to meet King Charles III to be asked to form the next government. #EuropeNews

Andy Burnham, who is set to formally replace Starmer on Monday, will become the UK’s seventh prime minister in a decade.