Former UK Prime Minister Keir Starmer to stand down as MP to focus on world affairs 

"They have been resolute in their support for me, firstly in becoming an MP and then becoming the leader of the Labour Party and then as prime minister."The decision sets the stage for an imminent by-election in central London and marks the final chapter of a turbulent parliamentary career for the former Labour leader." Local Legacy and Electoral Test The resignation triggers a high-stakes electoral test for Prime Minister Andy Burnham, who assumed office over the summer after Starmer's exit.