Voters are heading to the polls for a pivotal by-election in Makerfield. The contest is seen as a crucial indicator of Keir Starmer's standing as Labour leader. Andy Burnham is standing as the party's candidate in the constituency. Burnham's successful return to Parliament is viewed as a potential catalyst for a leadership challenge. The outcome could significantly impact the internal dynamics of the Labour Party. Observers are closely monitoring the results to gauge public support. This election represents a high-pressure moment for the current party leadership.