The staggering sums gifted to Reform UK over the weekend have transformed the context for the representation of the people bill making its way through parliament. The announcement of two £36m donations from Ben Delo and Christopher Harborne, both crypto billionaires who have lived abroad, makes Andy Burnham’s decision not to impose a limit on political donations – a move he supported before becoming prime minister – look even more misguided. Fortunately the House of Lords still has the chance to amend the bill. It should take it by imposing meaningful limits on both political donations and party spending.

It is unclear whether either man meets the criteria set out in the Rycroft review into foreign influence in politics. It…