Andy Burnham is facing a significant fiscal challenge as he prepares to take over Britain's leadership, with estimates suggesting he will need to find an additional £4.7 billion to fund a major defence investment programme unveiled during Sir Keir Starmer's final days in office.
The funding gap stems from plans to increase defence spending and modernise Britain's military capabilities amid growing security concerns across Europe. While the proposals have attracted support from defence officials and NATO allies, questions remain over how a future Burnham government would pay for the commitments without breaching fiscal rules or placing additional strain on public finances.