Burnham's emphatic win leaves Starmer and Labour MPs with big decision on leadership (opens original article in a new tab)

Andy Burnham's decisive by-election victory raises questions about Labour's leadership and potential challenges to Prime Minister Keir Starmer.

• Andy Burnham won a by-election with a large margin, defeating all rivals combined.
• Burnham's victory highlights his potential to challenge Reform UK and may influence Labour's leadership dynamics.
• Labour MPs face a critical decision on whether to support or challenge Prime Minister Keir Starmer.